Omastar - Uncommon Tweet Lightly Played, Japanese, 1 In stock $1.99 Note: Prices subject to change at any time. We reserve the right to limit quantities. Read More Details Attack #1: Water Gun - Flip 2 coins. This attack does 30 damage times the number of heads. Card Type: Water HP: 70 Illustrator: Ken Sugimori Name: Omastar Rarity: Uncommon Retreat Cost: 1 Set: Mystery of the Fossils Stage: Stage 2 Weakness: Grass