Cloyster
Mystery of the Fossils

#18 Cloyster - Mystery of the Fossils (mystery-of-the-fossils)

Cloyster is a Pokémon card from the Mystery of the Fossils set, released on June 21, 1997. It features artwork by Kagemaru Himeno and is numbered 18 in the set. The card has a rarity of Uncommon and a theme color of #8ca48b. Cloyster has 50 HP and can utilize two distinct attacks. The first attack, Clamp, requires two Water energy costs and deals 30 damage. When used, it flips a coin, potentially paralyzing the defending Pokémon if heads is called. The second attack, Spike Cannon, also uses two Water energies but deals 30× damage based on coin flips. This attack flips two coins, with each head adding to the damage output. Both attacks emphasize probabilistic effects tied to coin outcomes.