Whiscash

It makes its nest at the bottom of swamps. It will eat anything—if it is alive, Whiscash will eat it.

Amnesia (20): Choose 1 of your opponent's Active Pokémon's attacks. That Pokémon can't use that attack during your opponent's next turn.

Rising Lunge (60+): Flip a coin. If heads, this attack does 30 more damage.