
Description, catalog fields, rules text, and how it plays—in one place.
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Abilities, attacks, weakness & resistance
You may reduce all damage done by attacks to Misty's Cloyster by 10 (after applying Weakness and Resistance). (Any other effects of attacks still happen). This power can't be used if Misty's Cloyster is Asleep, Confused, or Paralyzed.
Flip 3 coins. This attack does 20 damage times the number of heads.
Other cards from Gym Heroes

Water Energy (Unlimited)

Water Energy (First Edition)

Psychic Energy (Unlimited)

Psychic Energy (First Edition)

Lightning Energy (Unlimited)

Lightning Energy (First Edition)

Grass Energy (Unlimited)

Grass Energy (First Edition)

Fire Energy (Unlimited)

Fire Energy (First Edition)

Fighting Energy (Unlimited)

Fighting Energy (First Edition)
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Misty's Cloyster (gym1-29 First Edition) is a Water-type Stage 1 Pokémon from the Gym Heroes set. It has the Pokémon Power Shell Armor which can reduce incoming attack damage by 10 unless it is Asleep, Confused, or Paralyzed, and an attack called Triple Cannon that flips three coins to deal 20 damage per head. The card lists Lightning ×2 weakness and a two-colorless retreat cost, defining its vulnerabilities and mobility in play.
Catalog pricing data as of 21 Apr 2026, 00:22