Nidoking 34

The Defending Pokémon is now Poisoned. Before doing damage, you may switch 1 of the Defending Pokémon with 1 of your opponent's Benched Pokémon. The new Defending Pokémon is now Poisoned. Damage: 20

Flip a coin for each Nidoqueen on your Bench. This attack does 60 damage plus 30 more damage for each heads. Damage: 60+