Description, catalog fields, rules text, and how it plays—in one place.
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Cloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Abilities, attacks, weakness & resistance
Flip a coin. If heads, your opponent's Active Pokémon is now Paralyzed and discard an Energy attached to that Pokémon.
Flip 5 coins. This attack does 30 damage times the number of heads.
Other cards from Generations
Imakuni?
Fairy Energy (Reverse Holofoil)
Fairy Energy
Metal Energy (Reverse Holofoil)
Metal Energy
Darkness Energy (Reverse Holofoil)
Darkness Energy
Fighting Energy (Reverse Holofoil)
Fighting Energy
Psychic Energy (Reverse Holofoil)
Psychic Energy
Lightning Energy (Reverse Holofoil)
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Cloyster (g1-20 Reverse Holofoil) is an Uncommon Stage 1 Water-type Pokémon from the Generations expansion. Its attacks are Clamp Crush, which can Paralyze and discard an Energy on a coin flip, and Spike Cannon, which flips five coins to deal 30 damage per heads. The card has a three-cost retreat, Grass weakness, and a flavor note about shells developing spikes in strong currents.
Catalog pricing data as of 23 Apr 2026, 03:41