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How to beat Marnie's Grimmsnarl ex

Marnie's Grimmsnarl ex has 1 version in the 2026–27 Standard format, with up to 320 HP as a Darkness Pokémon. Here's the maths for Knocking it Out — worked out from every Standard-legal card.

HP
320
Weakness
Grass
Resistance
None
Prizes
2
One-hit KOs
14
Fastest KO
1 Energy

Game plan

  1. Hit its Weakness. Marnie's Grimmsnarl ex is weak to Grass, 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 2 Prize cards when Knocked Out. 4 single-Prize Pokémon can take it out in one attack, so you trade 1 Prize for 2.
  3. Plan for its big hit. Its strongest printed attack is Shadow Bullet for 180 (2 Energy). 195 Standard cards have enough HP to survive one hit — before any Weakness, + or × effects.
  4. Watch the Retreat Cost. It costs 2 Energy to retreat. If it gets stuck in the Active Spot, that's your chance.

One-hit Knock Outs using Weakness

These Grass attacks do at least 320 after Weakness. Fastest (fewest Energy) first.

PokémonTypeAttackDamageDamage to Marnie's Grimmsnarl exHPPrizes
Decidueye Shrouded FableGrassPower Shot G1703401501
Rillaboom Twilight MasqueradeGrassWood Hammer GG1803601801
Leafeon ex Prismatic EvolutionsGrassMoss Agate GRW2304602702
Iron Leaves ex Prismatic EvolutionsGrassPrism Edge GGC1803602202
Mega Heracross ex Phantasmal FlamesGrassMountain Ramming GGG1703402803
Chesnaught Chaos RisingGrassImpound GGC1603201801
Arboliva ex Destined RivalsGrassAroma Shot CCC1603203102
Erika's Vileplume ex Ascended HeroesGrassBloom Powder GGC1603203102
Decidueye ex Perfect OrderGrassCrushing Arrow GCCC2404803202
Mega Venusaur ex Mega EvolutionGrassJungle Dump GGGG2404803803
Tapu Bulu Shrouded FableGrassWood Hammer GGCC2204401401
Yanmega ex Destined RivalsGrassJet Cyclone GGGC2104202802

One-hit Knock Outs without Weakness

Attacks with a printed 320+ damage.

PokémonTypeAttackDamageDamage to Marnie's Grimmsnarl exHPPrizes
Mega Dragonite ex Ascended HeroesDragonRyuno Glide WLL3303303703
Mega Emboar ex Ascended HeroesFireCrimson Blast RRC3203203803

Best Prize trades

Single-Prize Pokémon that Knock Out Marnie's Grimmsnarl ex in one attack — you give up 1 Prize, they give up 2.

PokémonTypeAttackDamageDamage to Marnie's Grimmsnarl exHPPrizes
Decidueye Shrouded FableGrassPower Shot G1703401501
Rillaboom Twilight MasqueradeGrassWood Hammer GG1803601801
Chesnaught Chaos RisingGrassImpound GGC1603201801
Tapu Bulu Shrouded FableGrassWood Hammer GGCC2204401401

Pokémon that survive its biggest attack

These can take a printed 180 from Shadow Bullet and stay in play (Weakness included). Single-Prize Pokémon first.

PokémonTypeStageHPWeaknessRetreatPrizes
Wailord Journey TogetherWaterStage 1240Lightning ×241
Copperajah Shrouded FableMetalStage 1200Fire ×241
Rhyperior Stellar CrownFightingStage 2200Grass ×241
Steelix Mega EvolutionMetalStage 1200Fire ×241
Copperajah Journey TogetherMetalStage 1190Fire ×241
Tyranitar Journey TogetherDarknessStage 2190Grass ×231
Wailord ex Pitch BlackWaterStage 1380Lightning ×242
Mamoswine ex Journey TogetherFightingStage 2340Grass ×242

Every Standard Marnie's Grimmsnarl ex card

CardSetHPStageAttacks (cost · damage)RetreatWeakness
Marnie's Grimmsnarl ex 287/217
Ability: Punk Up
Ascended Heroes I320Stage 2Shadow Bullet DD 1802Grass ×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 Grimmsnarl cards in Standard · how to knock out a 320 HP Pokémon · Grass vs Darkness · beating big Pokémon ex · more counter guides

Questions people ask

What is Marnie's Grimmsnarl ex weak to?

Marnie's Grimmsnarl ex is weak to Grass, so those attacks do double damage (×2).

How much HP does Marnie's Grimmsnarl ex have?

Up to 320 HP in Standard.

How many Prize cards does Marnie's Grimmsnarl ex give up?

2 — it's a Pokémon ex.

What can one-hit KO Marnie's Grimmsnarl ex?

14 Standard cards can, going by printed damage. The fastest: Decidueye's Power Shot (1 Energy, 340 damage); Rillaboom's Wood Hammer (2 Energy, 360 damage); Leafeon ex's Moss Agate (3 Energy, 460 damage).

What is Marnie's Grimmsnarl ex's strongest attack?

Shadow Bullet, which prints 180 damage for 2 Energy.

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.

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