Ability Detention Gas
As long as this PokÃ©mon is your Active PokÃ©mon, put 1 damage counter on each of your opponent's Basic PokÃ©mon between turns.
Splattering Sludge 40
This attack does 20 damage to each of your opponent's Benched PokÃ©mon that has any damage counters on it. (Don't apply Weakness and Resistance for Benched PokÃ©mon.)