Cramorant

It's so strong that it can knock out some opponents in a single hit, but it also may forget what it's battling midfight.

Dive (20): Flip a coin. If heads, during your opponent's next turn, prevent all effects of attacks, including damage, done to this Pokémon.

Hydro Pump (50+): This attack does 20 more damage for each Water Energy attached to this Pokémon.