Pokémon Trading Card Game - Omastar - EX: Sandstorm 19

Pull Down
If your opponent has any Evolved Pokémon in play, remove the highest Stage Evolution card from each of them and put those cards back into his or her hand.

Hydrocannon 30+
Does 30 damage plus 20 more damage for each Energy attached to Omastar but not used to pay for this attack's Energy cost. You can't add more than 40 damage in this way.