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Abilities, attacks, weakness & resistance
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.
Flip a coin. If heads, the 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).
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 Weezing (printed number 50/132, gym2-50 Unlimited) is a Stage 1 Grass Pokémon from the Gym Challenge expansion. Its Spontaneous Explosion attack deals 10 damage with a coin-flip chance to add 30 more while causing 30 recoil to itself, and Toxic Cloud deals 20 while potentially Poisoning the Defending Pokémon and increasing Poison damage to 20 per turn on a successful flip. The coin-flip mechanics and self-damage make it a high-variance attacker that can support Poison-focused strategies at the cost of personal risk.
Catalog pricing data as of 14 Apr 2026, 17:43