Ultra Necrozma-GX 78 — what does this card actually do?

Name: Ultra Necrozma-GX 78
Brand: Pokémon
Author: PLANETA Igarashi

This card has 190 HP, a top attack printed at 20 damage and a Fairy weakness.

Dragon · Basic GX Ultra Beast · Dragon Majesty · measured against 20,444 cards on file — card data read July 28, 2026

What does Ultra Necrozma-GX 78 do in a game?

Ultra Necrozma-GX 78 is a Dragon Pokémon card with 190 HP, printed as Basic GX Ultra Beast.

Its strongest attack, Photon Geyser, is printed at 20 damage for 2 Energy — 10 damage per Energy card.

Because of the Fairy weakness, any Fairy attack printed at 95 damage or more removes it in a single turn.

Dragon Basic GX Ultra Beast Rare Secret Unlimited and Expanded#800 Ultra Necrozma-GX

Ultra Necrozma-GX 78Dragon Majesty

190 HP · Dragon · Basic GX Ultra Beast · retreat 2 · Fairy weakness ×2

Top printed damage2010 per Energy Photon Geyser20 damage for 2 Energy
as of July 28, 2026

Hit points190 HP6.6% of 17,290 in the 190~230 band

Printed damage2042.7% of 16,246 in the ~30 band

Retreat cost2 Energy28.6% of 17,240 in the 2 band

Energy efficiencyBelow typicalAboveTypicalBelowThis card 10 · typical 32.5
damage per Energy card, among cards whose cheapest attack costs 2

Price trackRare SecretDragon Majestyranked among GX cardsWhat it costs today, how it moved, and where to buy it

Card classBasic GX Ultra Beast

RarityRare Secret

SetDragon Majesty

Card number78

Card data readJuly 28, 2026

What it sells for now$113.50Opens the price page — daily prices, every print variant, where to buy · read August 14, 2026 Removed in one hit by95 damage190 HP against a Fairy ×2 weakness Turns of setup2 turnsEnergy attaches once a turn, so the top attack waits that long Cards that can do it45 cardsCounted across the whole card archive Cards in the same line25 moreEvery print carrying Pokédex #800 Where it can be playedUnlimited and ExpandedRead from the official format list

How Ultra Necrozma-GX 78 is built, on five measures

Strongest on Hit points — top 12.8% of the archive. Weakest on Energy efficiency — bottom 3.1%.

Each spoke is this card's place among every card in the archive that prints that figure. Further out is stronger — retreat and attack cost are shown as lightness, so a cheap card reaches outward. Counted July 28, 2026.

How Ultra Necrozma-GX 78 is built, on five measures
Measure	Percentile	Printed value
Hit points	87.2%	190 HP
Top printed damage	12.8%	20 damage
Energy efficiency	3.1%	10 per Energy
Retreat lightness	45.3%	2 Energy
Attack cost lightness	43.8%	2 Energy

What it can do

Attack record

2EPhoton Geyser10 damage per Energy card · has printed text20damage
2ESky-Scorching Light-GXhas printed text—

2 attacks printed on the card. The badge is the Energy it asks for.

Where it stands

No. 2,047of 17,290 cards ranked by printed HP

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Among the 17,290 cards in every card in the archive that carry printed HP, this one is number 2,047 at 190 HP.

Dragon cardsNo. 151of 530 by printed HP GX cardsNo. 382of 601 by printed HP

This cardUltra Necrozma-GX 78Dragon Majesty190 HP

Printed HP

The ceiling of this archive is 380 HP — 190 HP above this card.

Highest printed HPMega Emboar ex 273Ascended Heroes380 HP

What stands out on Ultra Necrozma-GX 78

Hit points 190 HP puts it in the 190~230 band, where 6.6% of 17,290 cards with printed HP sit.
Energy It returns 10 damage per Energy card against 32.5 for cards whose cheapest attack costs 2.
Weakness A Fairy attack printed at 95 damage or more removes it in a single turn.

Ultra Necrozma-GX 78 at a glance

What it is. A Dragon Pokémon card with 190 HP printed as Basic GX Ultra Beast, printed in Dragon Majesty.
What it can do. 2 attacks printed on the card, the strongest at 20 damage for 2 Energy.
What it fears. A Fairy weakness at ×2, which means 95 printed damage is enough to remove it.
What it costs to move. 2 Energy to retreat, discarded from the card itself.
Where it can be played. Unlimited and Expanded only.
What this page does not claim. Deck lists, tournament results and win rates are not published here, because the card files this site reads do not contain them.

Source: Card facts are read once from openly published card files and change only when a source corrects them.

What do the attacks on Ultra Necrozma-GX 78 cost, and what do they hit for?

The card prints 2 attacks. The strongest asks for 2 Energy and returns 20 damage, which is 10 damage for every Energy card attached.

Ultra Necrozma-GX 78 — every printed attack, its cost and its damage
Attack	Energy cost	Cards of Energy	Printed damage	Damage per Energy	Effect
Photon Geyser	1 Psychic + 1 Metal	2	20+	10	Discard all basic Psychic Energy from this Pokémon. This attack does 80 more damage for each card you discarded in this way.
Sky-Scorching Light-GX	1 Psychic + 1 Metal	2	—	—	You can use this attack only if the total of both players' remaining Prize cards is 6 or less. Put 6 damage counters on each of your opponent's Pokémon. (You can't use more than 1 GX attack in a game.)

Retreating costs a further 2 Energy, discarded from this card, and that cost is paid on top of anything in the table.

Photon Geyser2 Energy cards

Sky-Scorching Light-GX2 Energy cards

What each attack asks a deck to attach before it can be used, drawn as the symbols printed on the card.

One Energy card attaches per turn, so the number of symbols is also the number of turns the attack waits.

Photon Geyser 2 Energy20 damage for 2 Energy — 10 per Energy card20

Bars are printed damage against this card's own highest attack (20).

Why one of these damage figures carries a symbol

A number on a Pokémon card is not always the number that lands.

Photon Geyser is printed as 20+, so the printed number is a floor — the attack deals at least that much, and the sentence beside it says what adds to it.

This card places damage counters, which is not the same as dealing damage

Sky-Scorching Light-GX puts damage counters on a Pokémon instead of dealing damage to it. The two look alike on the board — one counter is ten damage — but the rules treat them apart: anything that reduces or prevents damage does not stop counters from being placed, and weakness and resistance are not applied to them either.

Back to summary

How does Ultra Necrozma-GX 78 compare with every other card?

Each bar below is the whole archive cut by one printed figure, with the band this card falls into marked. A number on its own says nothing about whether it is high or low — the shape of the archive does.

Ultra Necrozma-GX 78 — Dragon Majesty — Ultra Necrozma-GXDragon Majesty 78

No.2,047by HP in the archive

Ultra Necrozma-GX 78 prints 190 HP, which puts it at number 2,047 of the 17,290 cards in this archive that print an HP figure at all. The tallest figure printed on any card is 380 HP (Mega Emboar ex).

13% on printed damage — it out-hits that share of the 16,246 cards that print damage

Top 12%Where it sits on printed HP

This card190 HP
Middle half of the archive60–130 HP
Strongest GX card300 HP

The ceiling of this archive is Mega Emboar ex at 380 HP — every bar here is measured against it.

This card prints 190 HP, which is 50% of that ceiling.

Every figure in this panel is counted the same way: from the card files this site reads, read July 28, 2026, over the 17,290 cards that print an HP figure. Each bar is measured against the tallest HP in the archive, 380 HP.

Hit points — where this card sits

~7038.6%6,669 cards

80~12033.1%5,725 cards

130~18015.5%2,679 cards

190~230 — this card6.6%1,148 cards

240~2803.3%567 cards

290~3302.4%412 cards

340+0.5%90 cards

17,290 cards in the archive carry a printed HP figure. This one has 190 HP.

Cards in the 190~230 band typically print 132 damage and ask 2 Energy to retreat.

Hit points — where this card sits
Group	Share	Value
~70	38.6%	6,669 cards
80~120	33.1%	5,725 cards
130~180	15.5%	2,679 cards
190~230 — this card	6.6%	1,148 cards
240~280	3.3%	567 cards
290~330	2.4%	412 cards
340+	0.5%	90 cards

Top printed damage — where this card sits

~30 — this card42.7%6,938 cards

40~6022.0%3,566 cards

70~12021.8%3,535 cards

130~1809.0%1,461 cards

190~2503.8%621 cards

260+0.8%125 cards

16,246 cards print damage on at least one attack. The highest on this card is 20.

Cards in the ~30 band typically have 70 HP and ask 1 Energy to retreat.

Top printed damage — where this card sits
Group	Share	Value
~30 — this card	42.7%	6,938 cards
40~60	22.0%	3,566 cards
70~120	21.8%	3,535 cards
130~180	9.0%	1,461 cards
190~250	3.8%	621 cards
260+	0.8%	125 cards

Cheapest attack cost — where this card sits

01.8%304 cards

154.4%9,392 cards

2 — this card26.4%4,565 cards

314.7%2,533 cards

42.4%421 cards

50.3%47 cards

17,262 cards have at least one attack with an Energy cost. The cheapest on this card asks 2 Energy.

Cards whose cheapest attack costs 2 typically have 116 HP and print 65 damage.

Cheapest attack cost — where this card sits
Group	Share	Value
0	1.8%	304 cards
1	54.4%	9,392 cards
2 — this card	26.4%	4,565 cards
3	14.7%	2,533 cards
4	2.4%	421 cards
5	0.3%	47 cards

Retreat cost — where this card sits

05.3%914 cards

149.3%8,503 cards

2 — this card28.6%4,926 cards

312.6%2,168 cards

44.2%729 cards

17,240 cards carry a retreat cost. This one costs 2 Energy to retreat.

Cards with a retreat cost of 2 typically have 132 HP and print 79 damage.

Retreat cost — where this card sits
Group	Share	Value
0	5.3%	914 cards
1	49.3%	8,503 cards
2 — this card	28.6%	4,926 cards
3	12.6%	2,168 cards
4	4.2%	729 cards

No. 2,047of 17,290

That is where Ultra Necrozma-GX 78 stands highest on HP — number 2,047 of 17,290 cards in Every card in the archive. Cut the archive a different way and the answer moves, which is what the bars below are for.

Every card in the archive — 20,444 cards No. 2,047 of 17,290 by HP · No. 11,559 of 16,246 by damage · top by HP: Mega Emboar ex, 380

top 71% on damage
Dragon cards — 530 cards No. 151 of 530 by HP · No. 455 of 512 by damage · top by HP: Mega Dragonite ex, 370

top 89% on damage
GX cards — 601 cards No. 382 of 601 by HP · No. 559 of 594 by damage · top by HP: Moltres & Zapdos & Articuno-GX, 300

top 94% on damage
Dragon Majesty — 80 cards No. 10 of 67 by HP · No. 43 of 63 by damage · top by HP: Dragonite-GX, 250

top 67% on damage

Each bar is how far up this card sits when the archive is cut a different way. The bar is its place on HP; the tick is its place on printed damage. Counted from the card files this site reads, read July 28, 2026.

Hit points 190 HP~~middle half 60–130 HP~~
this card 190
Top printed damage 20 damage~~middle half 20–90 damage~~
this card 20

Lowest to highest printed in the archive
Middle half of the archive
This card

Each row is stretched from the lowest printed figure to the highest, so the two rows are not on one shared scale — read each row on its own.

Read from the card files this site reads, July 28, 2026. The archive tops out at 380 HP and 350 printed damage.

Cards printed as GX

601 on record

Cards in the same HP band

1,148 of 17,290 (6.6%)

Cards with this much printed damage

6,938 of 16,246 (42.7%)

Counted from the card files this site reads, one card at a time.

Open the group this card falls into

Back to summary

Is Ultra Necrozma-GX 78 efficient for the Energy it asks for?

Printed damage on its own says nothing — a 20 damage attack that needs 2 Energy and one that needs two are different cards. Dividing one by the other puts every attack on the same scale.

Damage per Energy card, across the whole archive

1 Energy9,392 cards49.049 damage typical

2 Energy4,565 cards32.565 damage typical

3 Energy2,533 cards34.7104 damage typical

4 Energy421 cards27.8111 damage typical

5 Energy47 cards41.8209 damage typical

Ultra Necrozma-GX 78 — this card10.020 damage for 2 Energy

Each bar is what cards asking that much Energy typically print, divided by the Energy they ask for. The number beside the bar is that figure.

Cards whose cheapest attack costs 2 typically return 32.5 damage per Energy card. This card returns 10.

Damage per Energy card, across the whole archive
Group	Share	Value
1 Energy	49.0	49 damage typical
2 Energy	32.5	65 damage typical
3 Energy	34.7	104 damage typical
4 Energy	27.8	111 damage typical
5 Energy	41.8	209 damage typical
Ultra Necrozma-GX 78 — this card	10.0	20 damage for 2 Energy

2501250 damage

012345 Energy

Typical for that Energy cost 6 groupsPhoton Geyser 20 / 2

Further right is a costlier attack, further up is a harder-hitting one, so the cheap and heavy corner is top left. The size of a grey dot is how many cards sit at that Energy cost.

Energy cost against printed damage. Each grey dot is what cards asking that much Energy typically print; the coloured dots are the attacks on Ultra Necrozma-GX 78.
Group	Typical printed damage	Damage per Energy card	Cards in this group
Cheapest attack costs 0 Energy	45	—	304
Cheapest attack costs 1 Energy	49	49	9,392
Cheapest attack costs 2 Energy	65	33	4,565
Cheapest attack costs 3 Energy	104	35	2,533
Cheapest attack costs 4 Energy	111	28	421
Cheapest attack costs 5 Energy	209	42	47
Photon Geyser	—	10	—

This card, per Energy card

10 damage

Typical for a 2 Energy attack

32.5 damage

Difference

-22.5 damage

Both figures are damage divided by Energy cost, counted the same way.

Where this sits once the archive is cut by damage instead

The bars above cut the archive by what an attack asks for. Cut the same archive by what an attack prints and the groups come out differently — the damage ranges on record are gathered on one page, which is where a figure like 20 is read as high or low rather than merely large.

Back to summary

Is Ultra Necrozma-GX 78 strong for a GX card?

GX cards are built large to begin with, so measuring this one against the whole archive mixes up what the mechanic gives it with what the card itself gives it. Measured inside its own group, the two come apart.

Hit points190 HPtypical for the group is 214 HP — this card is 11% below

Top printed damage20 damagetypical for the group is 133 damage — this card is 85% below

Retreat cost2 Energytypical for the group is 2 Energy — this card is 0% above

The group is every GX card in the archive — 601 of them. Each figure is compared with what that group typically prints, not with the archive as a whole.

Back to summary

What does being a Dragon card do for Ultra Necrozma-GX 78?

Type decides two things at once — which cards take double damage from this one, and which cards deal double to it. Both are read from the weakness printed on each group, not from a rule of thumb.

Deals double to this card 237 Fairy cards carry that type A Fairy attack printed at 95 damage is enough to remove this card in one turn.

Ultra Necrozma-GX 78 · Basic GX Ultra Beast 190 HP Its hardest attack is printed at 20 damage.

Takes double from this card — no group most often prints a Dragon weakness This type gains nothing automatic from the weakness rule.

How the archive splits by energy type

Psychicmost often weak to Psychic13.5%2,335 cards

Watermost often weak to Lightning14.1%2,435 cards

Colorlessmost often weak to Fighting12.6%2,173 cards

Firemost often weak to Water9.1%1,574 cards

Fightingmost often weak to Grass10.9%1,884 cards

Lightningmost often weak to Fighting8.8%1,520 cards

Grassmost often weak to Fire13.8%2,387 cards

Metalmost often weak to Fire5.4%925 cards

Darknessmost often weak to Fighting7.2%1,249 cards

Dragon — this cardmost often weak to Fairy3.1%530 cards

Fairymost often weak to Metal1.4%237 cards

17,249 cards carry an energy type. The note under each name is the weakness printed most often on that group.

How the archive splits by energy type
Group	Share	Value
Psychic	13.5%	2,335 cards
Water	14.1%	2,435 cards
Colorless	12.6%	2,173 cards
Fire	9.1%	1,574 cards
Fighting	10.9%	1,884 cards
Lightning	8.8%	1,520 cards
Grass	13.8%	2,387 cards
Metal	5.4%	925 cards
Darkness	7.2%	1,249 cards
Dragon — this card	3.1%	530 cards
Fairy	1.4%	237 cards

Dragonweak to Fairy

Read from the weakness printed on each group. The first row is this card; the rest are groups that most often print a Dragon weakness.

What being a Dragon card is worth

No group in the archive most often prints a Dragon weakness, so this type gains nothing automatic from the weakness rule. Going the other way, Dragon cards are themselves most exposed to Fairy.

Every energy type in the archive

Back to summary

What knocks out Ultra Necrozma-GX 78 in one hit, and what does it knock out?

Weakness doubles the damage a Fairy attack deals to this card, so the bar it has to clear is 95 printed damage rather than 190.

Cards that remove it in one attack

Cards it removes in one attack

Fairy damage needed to knock it out

Counted across the whole card archive. 190 HP against a Fairy weakness at ×2 decides all three figures.

Removes it in one attackSylveon-EXGenerations RC21100 damage

×2Fairy weakness · 95 printed damage is enough
100 damage becomes 200 against this card

This cardUltra Necrozma-GX 78Dragon Majesty 78190 HP

Why this card was picked to stand opposite

Of the 45 cards in the archive that can remove Ultra Necrozma-GX 78 in a single attack, this one clears the bar by the smallest margin — 100 printed damage against a bar of 95. Anything printed higher removes it just as surely, so this is where the line actually sits.

Ultra Necrozma-GXweak to Fairy ×2

Read from the weakness printed in the lower-left corner of the card.

Fairy cards that remove Ultra Necrozma-GX in one attack
Card	Set	HP	Printed damage	After weakness
Gardevoir & Sylveon-GX (130)	Unbroken Bonds	260	200	400
Gardevoir & Sylveon-GX (204)	Unbroken Bonds	260	200	400
Gardevoir & Sylveon-GX (205)	Unbroken Bonds	260	200	400
Gardevoir & Sylveon-GX (225)	Unbroken Bonds	260	200	400
Xerneas ◇ (144)	Lost Thunder	160	160	320
Xerneas-EX (97)	Celebrations: Classic Collection	170	140	280

190 HP against a Fairy ×2 weakness means any Fairy attack printed at 95 damage or more is enough. 45 cards in the archive clear that bar.

40 HP Dratini [1]

40 HP Dratini [2]

40 HP Axew [12]

Cards this one removes in a single attack

3 cards in the archive are weak to Dragon and sit inside the damage this card can deal. Point at a card to see it full size.Tap a card to open its page.

Back to summary

What can you use instead of Ultra Necrozma-GX 78?

Every card below asks a deck for the same kind of slot, so the comparison is between what they print, not what they cost.

Cards that fill the same slot as Ultra Necrozma-GX 78
Card	Set	HP	Top damage	Retreat
Rayquaza-GX	Celestial Storm	180	30	3
Rayquaza-GX	Celestial Storm	180	30	3
White Kyurem-GX	Dragon Majesty	190	200	3
Palkia-GX	Ultra Prism	180	150	3
Dialga-GX	Ultra Prism	180	150	3
Ultra Necrozma-GX	Forbidden Light	190	20	2

This card itself is 190 HP, 20 top damage and 2 retreat, and every card here is Dragon like it.

Back to summary

Every card below carries the same Pokédex number as this one, so they are the same Pokémon printed as different cards — different stages, different mechanics and different names all sit in this group.

Back to summary

What was printed next to Ultra Necrozma-GX 78 in Dragon Majesty?

A card is met inside a set, not on its own, and the number on it is the order that set gave it. The cards either side are the ones a collector actually turns past to reach this one.

200 Altaria-GX [72]

250 Salamence-GX [73]

190 White Kyurem-GX [74]

Dragon Talon [75]

Fiery Flint [76]

Switch Raft [77]

Cards printed either side of this one

These are the cards numbered either side of #78 in Dragon Majesty. The badge on each card is its printed HP. Point at a card to see it full size.Tap a card to open its page.

Back to summary

Which rules apply to Ultra Necrozma-GX 78, and where can it be played?

Two kinds of rule meet on one card — the sentence printed on the card face, and the rulebook clauses that apply because of what the card carries.

The rule printed on this card

“Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.”

Prize cards your opponent takes when it is knocked out

Every knockout carries the opponent 2 steps closer to winning, and that is the cost of putting this card on the field whatever it cost to buy.

Rulebook clauses that apply to Ultra Necrozma-GX 78
Clause	What the rulebook says	Cards it applies to	Share of the archive
Weakness	Some Pokemon have Weakness or Resistance to Pokemon of certain types, marked in the lower-left corner of the card.	16,744 cards	81.9%
Retreat	Retreat your Active Pokemon (only once per turn).	17,244 cards	84.3%
Energy per turn	You can attach Energy just once each turn!	17,180 cards	84.0%

Counted across 20,444 English cards. A clause applies to this card because the card carries the property the clause names, not because we judged it to.

Ultra Necrozma-GX 78 — tournament formats
Format	Status	What that means
Standard	Not listed	This card is not listed for this format
Expanded	Legal	Can be played in this format
Unlimited	Legal	Can be played in this format

Read from the format list recorded with the card. Formats rotate on a schedule set by the organiser, and that schedule is not published on this page.

Where this card can be played

This card is legal in Unlimited and Expanded play. It was released on September 7, 2018.

Back to summary

Ultra Necrozma-GX 78 in depth — what these figures add up to

Three readings of the same card, side by side: what it costs to get going, where it sits among the cards it will be compared with, and what takes it off the field.

What it asks a deck for

Its hardest attack, Photon Geyser, needs 2 Energy attached. Energy attaches once a turn, so that attack waits 2 turns from an empty card.
That works out at 10 damage for every Energy card attached.
Moving it out of the active spot costs 2 more Energy, discarded from the card itself.

Where its HP stands, cut four ways

Every card in the archiveNo. 2,047 of 17,290

Dragon cardsNo. 151 of 530

GX cardsNo. 382 of 601

Dragon MajestyNo. 10 of 67

What actually removes it

A Fairy attack printed at 95 damage removes it in a single turn — that is the bar, not its 190 HP.
45 cards in the archive clear that bar.
Going the other way, it removes 3 cards in one attack.

Back to summary

Ultra Necrozma-GX 78 card record

Ultra Necrozma-GX 78 — the printed record, field by field
Hit points	190 HP	Type	Dragon
Weakness	Fairy ×2	Retreat cost	2 Energy
Card type	Basic GX Ultra Beast	Pokédex number	#800
Set	Dragon Majesty	Card number	78 of 70
Series	Sun & Moon	Released	September 7, 2018
Rarity	Rare Secret	Illustrator	PLANETA Igarashi
Tournament legality	Unlimited and Expanded only
Printed rule	Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.

Read from the printed card face, the set listing and the official format list.

Back to summary

What does Ultra Necrozma-GX 78 cost?

This page is about what the card does. The figure below is the one number worth carrying across, read on August 14, 2026.

Market price today

$113.50

Read on

August 14, 2026

One figure only — the price record, the daily chart and the marketplaces live on the price page.

Ultra Necrozma-GX 78 priceOne year of daily prices, every print variant, and where to buy it.Open the price page

Back to summary

Ultra Necrozma-GX 78 — frequently asked questions

How much damage does it take to knock out Ultra Necrozma-GX 78?

Ultra Necrozma-GX 78 has 190 HP and a Fairy weakness at ×2, so a Fairy attack printed at 95 damage or more removes it in one turn. Any other type has to print the full 190.

What is the strongest attack on Ultra Necrozma-GX 78?

Photon Geyser, printed at 20 damage for 2 Energy — 10 damage per Energy card. Discard all basic Psychic Energy from this Pokémon. This attack does 80 more damage for each card you discarded in this way.

What is the retreat cost of Ultra Necrozma-GX 78?

2 Energy, discarded from this card to move it out of the active spot. Retreating is allowed once per turn.

What does the + after the damage on Photon Geyser mean?

It marks the damage as conditional: the printed figure is the least it can deal, and the sentence on the card says what is added to it. The full sentence is printed on the card and quoted in the attack table on this page — "Discard all basic Psychic Energy from this Pokémon. This attack does 80 more damage for each card you discarded in this way."

Does Ultra Necrozma-GX 78 deal damage or place damage counters?

It places damage counters. One counter is ten damage on the board, but the two are different things in the rules: weakness and resistance are not applied to counters, and effects that reduce or prevent damage do not stop counters from being placed.

Can Ultra Necrozma-GX 78 be played in a tournament?

It is legal in Unlimited and Expanded play. Standard events run on a rotating list of sets, so check the current rotation before entering one.

What does the rule on Ultra Necrozma-GX 78 mean?

The card reads “Pokémon-GX rule: When your Pokémon-GX is Knocked Out, your opponent takes 2 Prize cards.” That sentence is printed on the card itself, so it applies wherever the card is played.

Does this page say how good Ultra Necrozma-GX 78 is in a deck?

No. Every figure here is read from the printed card. Deck lists, tournament results and win rates are not published on this site, because the card files it reads do not contain them.

Back to summary

Where these card facts come from

Card facts are read once from openly published card files and do not change between readings — a printed card cannot gain HP. The places below are where the same information can be checked. Last updated: July 28, 2026 — the counts and rankings on this page were taken from the card files read on that day.

Primary official source

First-party official sources — the body that issues the data itself, such as a government agency, a statutory register or a rights holder publishing its own records.

The Pokémon Company International — official rules, tournament format and rotation announcements www.pokemon.com

Industry source

Second-party sources — marketplaces, trade associations, research institutes and companies that compile data about the market.

Pokémon TCG Data — openly published card files (card text, HP, attacks, weakness, retreat cost, illustrator credits) github.com

TCGdex card database — openly licensed card files (set membership and card numbering) github.com

Back to summary

Ultra Necrozma-GX 78 — what does this card actually do?

What does Ultra Necrozma-GX 78 do in a game?

Ultra Necrozma-GX 78 performance summary

What it can do

Where it stands

Ultra Necrozma-GX 78 at a glance

What do the attacks on Ultra Necrozma-GX 78 cost, and what do they hit for?

How does Ultra Necrozma-GX 78 compare with every other card?

Is Ultra Necrozma-GX 78 efficient for the Energy it asks for?

Is Ultra Necrozma-GX 78 strong for a GX card?

What does being a Dragon card do for Ultra Necrozma-GX 78?

What knocks out Ultra Necrozma-GX 78 in one hit, and what does it knock out?

What can you use instead of Ultra Necrozma-GX 78?

Which other cards share the Pokémon behind Ultra Necrozma-GX 78?

What was printed next to Ultra Necrozma-GX 78 in Dragon Majesty?

Which rules apply to Ultra Necrozma-GX 78, and where can it be played?

Ultra Necrozma-GX 78 in depth — what these figures add up to

What it asks a deck for

Where its HP stands, cut four ways

What actually removes it

Ultra Necrozma-GX 78 card record

What does Ultra Necrozma-GX 78 cost?

Ultra Necrozma-GX 78 — frequently asked questions

How much damage does it take to knock out Ultra Necrozma-GX 78?

What is the strongest attack on Ultra Necrozma-GX 78?

What is the retreat cost of Ultra Necrozma-GX 78?

What does the + after the damage on Photon Geyser mean?

Does Ultra Necrozma-GX 78 deal damage or place damage counters?

Can Ultra Necrozma-GX 78 be played in a tournament?

What does the rule on Ultra Necrozma-GX 78 mean?

Does this page say how good Ultra Necrozma-GX 78 is in a deck?

Where these card facts come from

Before you rely on these figures

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