Forretress G

This attack does 10 damage to each of your opponent's Pokémon. (Don't apply Weakness and Resistance for Benched Pokémon.) Forretress can't use Shell Scatter during your next turn.

Does 10 damage to each Benched Pokémon (both yours and your opponent's). (Don't apply Weakness and Resistance for Benched Pokémon.) Flip a coin. If tails, Forretress does 80 damage to itself.