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Abilities, attacks, weakness & resistance
Koga's Arbok is now Poisoned.
If Koga's Arbok is Poisoned, this attack's base damage is 40 instead of 20 and the Defending Pokémon is now Poisoned.
Other cards from Gym Challenge
Water Energy (Unlimited)
Water Energy (First Edition)
Psychic Energy (Unlimited)
Psychic Energy (First Edition)
Lightning Energy (Unlimited)
Lightning Energy (First Edition)
Grass Energy (Unlimited)
Grass Energy (First Edition)
Fire Energy (Unlimited)
Fire Energy (First Edition)
Fighting Energy (Unlimited)
Fighting Energy (First Edition)
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Koga's Arbok (25/132, First Edition) is a Stage 1 Grass-type Pokémon from the Gym Challenge expansion. It has Poison Buildup which poisons itself and Poison Power that deals more damage if it is poisoned and also poisons the Defender. The card carries a ×2 Psychic weakness and a two-colorless retreat cost, shaping its matchup and mobility in deck play.
Catalog pricing data as of 25 Apr 2026, 09:31