The details of the Cloyster trading card from the 2004 FireRed & LeafGreen Pokémon set, featuring the Exoskeleton ability and Double Bubble attack.
Cloyster
2004 • Pokémon • FireRed & LeafGreen
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Description
The Cloyster card, numbered 20 in the FireRed & LeafGreen series, represents a key Water-type Pokémon from the 2004 Pokémon Trading Card Game era. Illustrated by Aya Kusube, this Stage 1 evolution of Shellder brings a strategic defensive option to any collection. With 70 HP, Cloyster utilizes its signature Exoskeleton ability to reduce incoming damage by 20 points, offering resilience during gameplay. For collectors focusing on the FireRed & LeafGreen subset, this Rare card provides a tangible link to the classic Generation III games. The card features the Double Bubble attack, allowing players to flip two coins for variable damage output that can also paralyze the Defending Pokémon. Completing a set often requires tracking down specific low-numbered cards like this one to maintain the integrity of the collection. Whether you are a long-time fan of the franchise or new to the hobby, understanding the mechanics and history of cards from this era enhances the collecting experience. Cloyster remains a memorable part of the FireRed & LeafGreen expansion, appealing to those who appreciate the depth of the original game mechanics translated into card form.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Cloyster
Game
Pokémon
TCG Attributes
Rarity, print treatment, and game-specific stats for this card.
Rare
Aya Kusube
Card Stock
English
70
Water
Stage 1
Shellder
Lightning ×2
1
91
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
Ability: Exoskeleton
Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).
Attack: Double Bubble (10×)
Flip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads, the Defending Pokémon is now Paralyzed.
Attack: Shell Attack (50)
