Magma's Koffing

Ability: Blow-Away Bomb

Once during your turn, when you discard this Pokémon with the effect of of a Trainer card, you may put 1 damage counter on each of your opponent's Pokémon. (Place damage counters after the effect of of the Trainer card.)

Smog • 20

Your opponent's Active Pokémon is now Poisoned.