HeartGold & SoulSilver set of HeartGold & SoulSilver series

Butterfree
Stage 2
HP120
Evolves From: Metapod
Pokédex No.12
Cure Powder
Remove 3 damage counters from each of your Pokémon.
Whirlwind
Your opponent switches the Defending Pokémon with 1 of his or her Benched Pokémon.