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How to beat Deoxys

Deoxys has 4 versions in the 2026–27 Standard format, with up to 130 HP as a Psychic Pokémon. Here's the maths for Knocking it Out — worked out from every Standard-legal card.

HP
130
Weakness
Darkness
Resistance
Fighting
Prizes
1
One-hit KOs
346
Fastest KO
1 Energy

Game plan

  1. Hit its Weakness. Deoxys is weak to Darkness, so those attacks do double damage. 75 Standard cards can Knock it Out in one hit that way — the fastest needs just 1 Energy.
  2. Don't over-invest. It only gives up 1 Prize card, so avoid spending a big two-Prize attacker on it if a cheaper Pokémon can do the job.
  3. Avoid Fighting attacks. Deoxys resists them, so they do less damage.
  4. Plan for its big hit. Its strongest printed attack is Psyspear for 120 (3 Energy). 562 Standard cards have enough HP to survive one hit — before any Weakness, + or × effects.
  5. Watch the Retreat Cost. It costs 3 Energy to retreat. If it gets stuck in the Active Spot, that's your chance.

One-hit Knock Outs using Weakness

These Darkness attacks do at least 130 after Weakness. Fastest (fewest Energy) first.

PokémonTypeAttackDamageDamage to DeoxysHPPrizes
Malamar Pitch BlackDarknessBrain Crush D1302601201
Crobat Chaos RisingDarknessPoison Sound Wave D801601301
Mega Sharpedo ex Phantasmal FlamesDarknessGreedy Fang D701403303
Mega Gengar ex Ascended HeroesDarknessVoid Gale DD2304603503
Hydreigon ex Surging SparksDarknessCrashing Headbutt DC2004003302
Marnie's Grimmsnarl ex Ascended HeroesDarknessShadow Bullet DD1803603202
Gengar ex Temporal ForcesDarknessTricky Steps DD1603203102
Tyranitar Journey TogetherDarknessCracking Stomp DC1503001901
Hydreigon 30th CelebrationDarknessPitch-Black Fangs DC1402801701
Team Rocket's Nidoqueen Destined RivalsDarknessMega Kick DD1302601701
Crobat Shrouded FableDarknessPoison Fang DC1202401301
Team Rocket's Crobat ex Destined RivalsDarknessAssassin's Return DD1202403102

One-hit Knock Outs without Weakness

Attacks with a printed 130+ damage (after Resistance).

PokémonTypeAttackDamageDamage to DeoxysHPPrizes
Palafin ex Prismatic EvolutionsWaterGiga Impact W2502503402
Tinkaton Mega EvolutionMetalWindup Swing M240-2401601
Ceruledge Phantasmal FlamesFireInfernal Slash R2202201401
Decidueye Shrouded FableGrassPower Shot G1701701501
Diggersby Perfect OrderColorlessEarthquake C1401401501
Greninja ex Twilight MasqueradeFightingShinobi Blade W1701403102
Centiskorch Surging SparksFireBillowing Heat Wave R1301301301
Lurantis Destined RivalsGrassPetal Blade Dance G1301301201
Palafin Temporal ForcesWaterVanguard Punch W1301301501
Slaking ex Surging SparksColorlessGreat Swing CC2802803402

Pokémon that survive its biggest attack

These can take a printed 120 from Psyspear 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
Aggron Twilight MasqueradeMetalStage 2180Fire ×231
Alolan Golem Journey TogetherLightningStage 2180Fighting ×241

Every Standard Deoxys card

CardSetHPStageAttacks (cost · damage)RetreatWeakness
Deoxys 33/86Chaos Rising J130BasicPsy Protection PPC 803Darkness ×2
Deoxys 32/86Chaos Rising J120BasicPsyspear PPP 1202Darkness ×2
Deoxys 31/86Chaos Rising J110BasicGenome Charge C —
Psychic PPC 80+
1Darkness ×2
Deoxys 34/86Chaos Rising J100BasicPsyspeed P 300Darkness ×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 Deoxys cards in Standard · how to knock out a 130 HP Pokémon · Darkness vs Psychic · beating big Pokémon ex · more counter guides

Questions people ask

What is Deoxys weak to?

Deoxys is weak to Darkness, so those attacks do double damage (×2).

How much HP does Deoxys have?

Up to 130 HP in Standard (130 on the Chaos Rising version, 120 on the Chaos Rising version, 110 on the Chaos Rising version, 100 on the Chaos Rising version).

How many Prize cards does Deoxys give up?

1 — it's a regular Pokémon.

What can one-hit KO Deoxys?

346 Standard cards can, going by printed damage. The fastest: Malamar's Brain Crush (1 Energy, 260 damage); Palafin ex's Giga Impact (1 Energy, 250 damage); Tinkaton's Windup Swing (1 Energy, 240 damage).

What is Deoxys's strongest attack?

Psyspear, which prints 120 damage for 3 Energy.

What does Deoxys resist?

Fighting — those attacks do less damage to it.

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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