Cloyster – FireRed & LeafGreen (#20)

Cloyster Pokémon card — FireRed & LeafGreen #20, Rare
Illustration Rare artwork showcased in the Scarlet & Violet: FireRed & LeafGreen expansion.

Price Overview & Key Facts

Cloyster (#20) is a Rare card from EX - FireRed & LeafGreen released in 2004. It showcases artwork by Aya Kusube and the Double Bubble attack (10× damage), 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.. TCGplayer market price sits around $1.53, Cardmarket average sale is €1.43, Floor listings start near €0.10.

  • TCGplayer market price: $1.53
  • Cardmarket trend price: €1.43
  • Recent low listing: €0.10
Current Prices: €1.43 (CM) $1.53 (TCG)

Card Details

Set
FireRed & LeafGreen
Card Number
20
Rarity
✨ Rare
Illustrator
🎨 Aya Kusube
HP
70
Type
💧 Water
Weaknesses
Lightning ×2
Retreat Cost
1 (Colorless)

Abilities

  • Exoskeleton
    Any damage done to Cloyster by attacks is reduced by 20 (after applying Weakness and Resistance).

Attacks & Strategy

  • Double Bubble [Colorless, Colorless] — 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.
  • Shell Attack [Water, Colorless, Colorless] — 50

💎 Collector's Value & Investment Potential

Cloyster from FireRed & LeafGreen (Rare) represents a solid addition to any Pokémon TCG collection. Released in 2004, this card features artwork by renowned illustrator Aya Kusube.

Market Trends: Current market conditions show moderate interest in this card.

Investment Considerations: Vintage cards from this era have shown strong long-term appreciation potential.

⚔️ Competitive Play & Tournament Viability

This Cloyster 20 is legal for tournament play in Unlimited format.

Key Attack: Cloyster's Double Bubble deals 10× damage for Colorless + Colorless energy. Special effect: Flip 2 coins. This attack does 10 damage times the number of heads. If either of the coins is heads,...

Stats Overview: 70 HP • Water Type • Weak to Lightning ×2

Players should check the official Pokémon TCG tournament rules for the most current format regulations and card legality status.

� Compare Cloyster Cards

Looking for other Cloyster cards to compare? View different versions with varying HP, attacks, and rarity levels.

Set HP Attacks Rarity Avg Price
FireRed & LeafGreen #20 ← Current 70 2 attacks Rare $1.53

Browse all Cloyster cards →

�📦 FireRed & LeafGreen Set Context

This Cloyster is part of the FireRed & LeafGreen expansion , released as part of the EX series in 2004.

Artist Spotlight: This card features artwork by Aya Kusube, whose distinctive illustration style has made their cards highly collectible. Explore more cards illustrated by this artist to discover similar art styles and collecting themes.

View all chase cards from FireRed & LeafGreen →

💎 Professional Grading Guide

Professional grading can significantly increase the value of your Cloyster card. Here's what you need to know:

🥇 PSA (Professional Sports Authenticator)

Industry standard • Value multiplier: 2-4x

Best for: High-value cards, modern sets

🥈 BGS (Beckett Grading Services)

Subgrades available • Value multiplier: 2-3x

Best for: Premium cards, perfect centering

🥉 CGC (Certified Guaranty Company)

Fast turnaround • Value multiplier: 1.5-3x

Best for: Budget-friendly option, bulk

💡 Should You Grade This Card?

  • Yes, consider grading if: Card value exceeds $20 and is in excellent condition
  • Grading cost: $20-100+ per card (depending on service level)
  • Break-even point: Card should be worth $50+ raw to justify grading costs
  • Turnaround time: 2 weeks to 6 months depending on service

Collector Notes

  • Rare cards from FireRed & LeafGreen are typically short-printed and head straight into collector binders.
  • The illustration by Aya Kusube resonates with starter collectors, creating consistent search demand for this Bulbasaur variant.
  • Water typing keeps this card relevant for themed decks and Grass-type collectors alike.

📚 Card History & Trivia

Release Information: Cloyster 20 was released in 2004 in the FireRed & LeafGreen expansion. This set is part of the EX series, which introduced new gameplay mechanics and collectible cards.

Artist Background: The artwork for this card was created by Aya Kusube. Professional Pokémon TCG artists undergo rigorous selection and bring unique styles to the game. View complete portfolio →

Set Popularity: FireRed & LeafGreen is a vintage set that has gained significant collector interest over time, with sealed product and individual cards showing strong appreciation.

Competitive History: Water type Pokémon like Cloyster with versatile attack options provide flexibility in deck building and can adapt to different matchups. Currently legal in Unlimited format.

🛡️ Related Products & Deck Building

Maximize the value and playability of your Cloyster card with these essential products:

🎴 Card Protection
  • Penny sleeves: Basic protection
  • Perfect fit sleeves: Pre-grading
  • Top loaders: Display & storage
📦 Storage Solutions
  • Binders with side-loading pages
  • Storage boxes (800-count)
  • ETB (Elite Trainer Box) storage
  • Premium display cases
⚔️ Deck Building
  • Pair with Water energy cards
  • Energy acceleration trainers
  • Draw support & consistency cards

💡 Deck Building Tip: Cloyster works best in Water type decks. Low energy cost attacks make this card great for aggressive early-game strategies.

🛒 Where to Buy Cloyster & Explore More

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