Whirlwind: 20 damage. If your opponent has any Benched Pokémon, he or she chooses 1 of them and switches it with the Defending Pokémon. (Do the damage before switching the Pokémon.)

Mega Drain: 40 damage. Remove a number of damage counters from Butterfree equal to half the damage done to the Defending Pokémon (after applying Weakness and Resistance)(rounded up to the nearest 10).

Weakness: Fire ×2

Resistance: Fighting -30

Retreat Cost: 0