Parasect 38

Search your deck for up to 2 Grass Energy cards and attach them to any of your Pokémon in any way you like. Shuffle your deck afterward. Damage:

The Defending Pokémon is now Asleep. Flip 2 coins instead of 1 between turns. If either of them is tails, the Defending Pokémon is still Asleep. Damage: 40