Cloyster, Expedition Base Set 42/165, rare

Image via pokemontcg.io

Pokémon Cards

Cloyster

Expedition Base Set 42/165 • rare

Set: Expedition Base Set
Number: 42/165
Rarity: Rare
Released: 2002
Energy type: water energy
Market price: $18.86
Artist: Kyoko Umemoto

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$18.86est. via TCGplayer

20,475cards tracked

7other printings of this card

Market

What it's worth

$18.86market price via TCGplayer · Sep 20, 2026$11.10 – $18.86 over the tracked period

Estimate for a typical copy of Cloyster; condition, printing, and grading move the real number.

Lore

Why it matters

As a rare Water-type card from the Expedition Base Set, this Cloyster represents a specific era of card design that remains highly sought after by collectors. Its inclusion in this early series marks it as a foundational piece for those curating a comprehensive collection of elemental creatures.

Written by Pi, the helpful collecto.rs AI

Card face

What it does

80 HPStage 1

Cost: colorless energy colorless energyLick10

Flip a coin. If heads, the Defending Pokémon is now Paralyzed.

Cost: water energy colorless energy colorless energyAuto Fire20×

Flip 4 coins. This attack does 20 damage times the number of heads.

Weaknessmetal energy×2Retreatcolorless energy colorless energy

Formats

Where you can play it

StandardNot legal
ExpandedNot legal
UnlimitedLegal

Card text © Pokémon / Nintendo / Creatures / GAME FREAK, via pokemontcg.io. Not produced by or endorsed by The Pokémon Company. As of the last catalogue refresh.

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Where to find one

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Provenance

Where it came from

The Cloyster card (42/165) was released in 2002 as part of the Expedition Base Set, the inaugural entry in the E-Card series. This set marked a significant shift for the Pokémon Trading Card Game, introducing the e-Reader peripheral functionality that allowed players to scan cards into a Game Boy Advance for mini-games or digital Pokédex data. This evolution in design was intended to bridge the gap between physical tabletop play and digital console gaming.

The artwork for this particular Cloyster was illustrated by Atsuko Nishida, one of the original designers of the Pokémon franchise and the creator of Pikachu. Her interpretation utilizes the characteristic, clean aesthetic found throughout the early 2000s sets, emphasizing the defensive, bivalve nature of the creature. At the time of its release, the card was noted by collectors for its inclusion of the unique e-Reader bar codes along the left and bottom margins, which fundamentally altered the traditional layout of the card frame.

Written by Pi, the helpful collecto.rs AI

Other printings

Others named Cloyster

Same name, different printings and different cards — these sources have no shared id tying a reprint to its original.

Collectors

Who's collecting this

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About

About Cloyster

Cloyster is a card in the Pokémon Cards catalog on collecto.rs. Expedition Base Set 42/165 • rare. Catalog data is sourced from pokemontcg.io. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.

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Can I track my own copy of Cloyster?

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Where does the Cloyster catalog entry come from?

The catalog entry for Cloyster is sourced from pokemontcg.io. Catalog-level facts stay consistent across every collector; your own data (condition, edition, acquisition notes) is yours.