Feraligatr

Ability: Berserk
When you play this Pokémon from your hand to evolve 1 of your Pokémon during your turn, flip a coin. If heads, discard the top 5 cards of your opponent’s deck. If tails, discard the top 5 cards of your deck

WWC – Crunch 140

Discard an Energy from your opponent’s Active Pokémon.