Spontaneous Explosion
Cost: Grass, Grass
Flip a coin. If heads, this attack does 10 damage plus 30 more damage and Koga's Weezing does 30 damage to itself; if tails, this attack does 10 damage.
BinderLoot
gym2Printing · uncommon
Koga's Weezing
HP 70 · 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.
- #50
- Rarity
- uncommon
Card text
- HP
- 70
- Type
- Grass
- Evolves from
- Koffing
- Weakness
- Psychic x2
- Retreat
- 2
10+
Toxic Cloud
Cost: Grass, Grass, Colorless
Flip a coin. If heads, this Defending Pokémon is now Poisoned. It now takes 20 Poison damage instead of 10 after each player's turn (even if it was already Poisoned).