Poison Buildup
Cost: Grass
Koga's Arbok is now Poisoned.
BinderLoot
gym2Printing · rare
Koga's Arbok
HP 90 · Grass
Pokémon — Stage 1
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Reference price
- Nonfoil
- No price
TCGplayer market price via TCGdex, updated Oct 14, 2026. This price is more than 3 days old, so the market price today can differ. It is an estimate, not an offer. It does not change with the condition or the language of your copy.
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Printing details
- Set
- Gym Challenge
- Released
- October 16, 2000
- Language
- en
- Collector no.
- #25
- Rarity
- rare
Card text
- HP
- 90
- Type
- Grass
- Evolves from
- Ekans
- Weakness
- Psychic x2
- Retreat
- 2
Poison Power
Cost: Grass, Grass
If Koga's Arbok is Poisoned, this attack's base damage is 40 instead of 20 and the Defending Pokémon is now Poisoned.