Description, catalog fields, rules text, and how it plays—in one place.
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Rarely seen in the wild. Huge and vicious, it is capable of destroying entire cities in a rage.
Abilities, attacks, weakness & resistance
This attack does 10 damage to each Benched Pokémon (both yours and your opponent's). (Don't apply Weakness and Resistance for Benched Pokémon.)
Flip a coin for each Water Energy attached to this Pokémon. This attack does 30 more damage for each heads.
Other cards from XY Black Star Promos
Lucario Spirit Link
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Gym Badge (Holofoil)
Pikachu (Holofoil)
Sharpedo Spirit Link
M Sharpedo-EX (Holofoil)
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Gyarados (XY109) is a Water-type Stage 1 Pokémon promo from the XY Black Star Promos set depicted as a Holofoil. It has two attacks: Berserker Splash deals 80 damage and also does 10 damage to each Benched Pokémon, while Aqua Tail does 90+ and can deal additional damage based on coin flips for each Water Energy attached. Its card data includes Lightning weakness, a three-colorless retreat cost, and flavor text describing it as huge and vicious.
Catalog pricing data as of 22 Apr 2026, 19:39