Description, catalog fields, rules text, and how it plays—in one place.
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It apparently had a huge shell for protection in ancient times. It lives in shallow tidal pools.
Abilities, attacks, weakness & resistance
During your opponent's next turn, the Defending Pokémon's attacks cost Colorless more, and its Retreat Cost is Colorless more.
Your opponent's Active Pokémon is now Asleep.
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Gastrodon (xy11-29 Reverse Holofoil) is a Water-type Stage 1 Pokémon from the Steam Siege set. Its attacks include Sticky Shot, which increases the Defending Pokémon's attack and retreat costs on the opponent's next turn, and Water Pulse, which does 60 damage and puts the opponent's Active Pokémon to sleep. The card has a retreat cost of two Colorless and a Grass ×2 weakness, offering a bulky midgame attacker/control option.
Catalog pricing data as of 24 Apr 2026, 17:52