Gyarados (21) 021 - Reverse Holofoil XY Ancient Origins - Holo RareRarityHolo Rare Card TypePokmon Hit Points130 HP FormStage 1 Evolves from Magikarp TypeWater Colorless,Colorless Full Retaliation (30+) This attack does 30 more damage for each damage counter on each of your Benched Magikarp. Water,Water,Colorless,Colorless Thrash (100+) Flip a coin. If heads, this attack does 30 more damage. If tails, this Pokmon does 30 damage to itself. Weakness Lightning 2 Resistance None None Retreat CostColorless Retreat