Nidoking 29

If your opponent has any Benched Pokémon, this attack's base damage is 30 instead of 60 and this attack does 30 damage to 1 of your opponent's Benched Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Damage: 60

Flip 2 coins. If both of them are tails, this attack does nothing. Damage: 100