Samurott

Ability · Stance

Once during your turn, when you play this Pokémon from your hand to evolve 1 of your Pokémon, you may prevent all damage from—and effects of—attacks from your opponent's Pokémon done to this Pokémon until the end of your opponent's next turn.

Water · Water

This attack also does 20 damage to 1 of your opponent's Benched Pokémon.

Weakness: Lightning · Retreat: 2