Koffing

Its thin, balloon-like body is inflated by horribly toxic gases. It reeks when it is nearby.

Ability — Blow-Away Bomb: Once during your turn, when you discard this Pokémon with the effect of Roxie, you may put 1 damage counter on each of your opponent’s Pokémon. (Place damage counters after the effect of Roxie.)

Poison Gas (10): Your opponent’s Active Pokémon is now Poisoned.