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 30 more damage for each damage counter on each of your Benched Magikarp.
Flip a coin. If heads, this attack does 30 more damage. If tails, this Pokémon does 30 damage to itself.
Other cards from Ancient Origins
Trainers' Mail (Holofoil)
Energy Retrieval (Holofoil)
M Rayquaza-EX (Jumbo)
M Rayquaza-EX (Holofoil)
Primal Groudon-EX (Jumbo)
Primal Groudon-EX (Holofoil)
Primal Kyogre-EX (Jumbo)
Primal Kyogre-EX (Holofoil)
Steven (Holofoil)
Lugia-EX (Holofoil)
Giratina-EX (Holofoil)
M Tyranitar-EX (Holofoil)
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Gyarados (xy7-21 Cosmos Holofoil) is a Water Stage 1 Pokémon from the Ancient Origins expansion. It has Full Retaliation, which adds damage based on damage counters on your Benched Magikarp, and Thrash, a high-damage attack that risks dealing 30 damage to itself on a tails flip. The card encourages pairing with Magikarp-focused strategies to maximize its first attack's damage potential.
Catalog pricing data as of 15 Apr 2026, 03:50