Swampert

Bubble (20): Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Mud Splash (50): If your opponent has any Benched Pokémon, choose 1 of them and flip a coin. If heads, this attack does 20 damage to that Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)