Zapdos VM 55

Flip a coin. If tails, choose 1 of your Pokémon and this attack does 30 damage to it. (Don't apply Weakness and Resistance for Benched Pokémon.)

Flip a coin. If heads, this attack does 50 damage plus 20 more damage; if tails, this attack does 50 damage and Zapdos does 20 damage to itself.