Misty's Cloyster, a Rare card from the Gym Heroes set (#029/132), features the Water/Ice-type Pokémon and showcases Misty's affiliation with the Cerulean Gym. Currently valued at $22.35, it is sought after by collectors for its nostalgic connection to the early Pokémon Trading Card Game. The card's artwork and rarity contribute to its appeal within the market, reflecting the ongoing interest in classic set cards.