Greninja & Decidueye

Ability: Water Shuriken

Once during your turn, you may do 20 damage to 1of your opponent's pokemon.

Pierce the Pain

This attack does 70 damage to 1 of your opponent's pokemon that has damage on it.

One Shot One Kill

If you knock out your opponent's active pokemon by using this pokemon's ability or attack, you may also knock out 1 of your opponent's benched pokemon.