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How to beat Mega Charizard Y ex

Mega Charizard Y ex has 1 version in the 2026–27 Standard format, with up to 360 HP as a Fire Pokémon. Here's the maths for Knocking it Out — worked out from every Standard-legal card.

HP
360
Weakness
Water
Resistance
None
Prizes
3
One-hit KOs
12
Fastest KO
1 Energy

Game plan

  1. Hit its Weakness. Mega Charizard Y ex is weak to Water, so those attacks do double damage. 12 Standard cards can Knock it Out in one hit that way — the fastest needs just 1 Energy.
  2. Win the Prize trade. It gives up 3 Prize cards when Knocked Out. 5 single-Prize Pokémon can take it out in one attack, so you trade 1 Prize for 3.
  3. Watch the Retreat Cost. It costs 1 Energy to retreat. If it gets stuck in the Active Spot, that's your chance.

One-hit Knock Outs using Weakness

These Water attacks do at least 360 after Weakness. Fastest (fewest Energy) first.

PokémonTypeAttackDamageDamage to Mega Charizard Y exHPPrizes
Palafin ex Prismatic EvolutionsWaterGiga Impact W2505003402
Vaporeon ex Prismatic EvolutionsWaterAquamarine RWL2805602802
Clawitzer Mega EvolutionWaterAqua Launcher WWW2104201301
Mega Starmie ex Perfect OrderWaterNebula Beam CCC2104203303
Iron Bundle Surging SparksWaterGusting Collision WWC200-4001001
Mega Abomasnow ex Mega EvolutionWaterFrost Barrier WWW2004003503
Mega Feraligatr ex Ascended HeroesWaterMortal Crunch WWC200+4003703
Crawdaunt Twilight MasqueradeWaterRampaging Hammer WWC1803601301
Black Kyurem ex Surging SparksWaterBlack Frost WWCC2505002302
Mamoswine Phantasmal FlamesWaterBlizzard Edge WCCC2004001801
Wailord ex Pitch BlackWaterFalling Down WWWWW2705403802
Crabominable Stellar CrownWaterHaymaker WCCCC2505001601

One-hit Knock Outs without Weakness

Attacks with a printed 360+ damage.

None in Standard right now.

Best Prize trades

Single-Prize Pokémon that Knock Out Mega Charizard Y ex in one attack — you give up 1 Prize, they give up 3.

PokémonTypeAttackDamageDamage to Mega Charizard Y exHPPrizes
Clawitzer Mega EvolutionWaterAqua Launcher WWW2104201301
Iron Bundle Surging SparksWaterGusting Collision WWC200-4001001
Crawdaunt Twilight MasqueradeWaterRampaging Hammer WWC1803601301
Mamoswine Phantasmal FlamesWaterBlizzard Edge WCCC2004001801
Crabominable Stellar CrownWaterHaymaker WCCCC2505001601

Every Standard Mega Charizard Y ex card

CardSetHPStageAttacks (cost · damage)RetreatWeakness
Mega Charizard Y ex 22/217Ascended Heroes J360Stage 2Explosion Y RRC —1Water ×2

Damage is the number printed on the card. Attacks marked + or × can do more, and Abilities, Tools and Stadiums can change the maths — always read the card. Energy letters: G Grass, R Fire, W Water, L Lightning, P Psychic, F Fighting, D Darkness, M Metal, N Dragon, C Colorless (any Energy).

Related: all Charizard cards in Standard · how to knock out a 360 HP Pokémon · Water vs Fire · beating big Pokémon ex · more counter guides

Questions people ask

What is Mega Charizard Y ex weak to?

Mega Charizard Y ex is weak to Water, so those attacks do double damage (×2).

How much HP does Mega Charizard Y ex have?

Up to 360 HP in Standard.

How many Prize cards does Mega Charizard Y ex give up?

3 — it's a Mega Evolution Pokémon ex.

What can one-hit KO Mega Charizard Y ex?

12 Standard cards can, going by printed damage. The fastest: Palafin ex's Giga Impact (1 Energy, 500 damage); Vaporeon ex's Aquamarine (3 Energy, 560 damage); Clawitzer's Aqua Launcher (3 Energy, 420 damage).

Pully Play is an independent fan guide. It isn't run by The Pokémon Company. Format facts are checked against official announcements; always confirm card legality with the official rules before a tournament.