Yanmega (XY Steam Siege Prerelease) [PR - XY144]Card Number: XY144 Rarity: Promo Card Type: Grass HP: 110 Stage: Stage 1 Card Text: Ability Sonic Vision If you have exactly 4 cards in your hand, ignore all Energy in the attack cost of each of this Pokemon's attacks. Attack 1: [3] Assault Boom (50+) IF your opponent's Active Pokemon has a Pokemon Tool card attached to it, this attack does 70 more damage. Weakness: Lx2 Resistance: F 20 Retreat Cost: 0