A Stage 2 Pokemon Card of type Water with the title Omastar and 110 HP of rarity Rare evolved from Omanyte from the set Power Keepers.  It has the attack Pull Down with the cost Colorless, the energy cost 1 with the description: If your opponent has any Evolved Pokemon in play, remove the highest Stage Evolution card from each of them and put those cards back into his or her hand. It has the attack Hydrocannon with the cost Colorless, Colorless, the energy cost 2 and the damage of 30+ with the description: Does 30 damage plus 20 more damage for each Water 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. It has weakness against Lightning 2. 
Omastar