Crystal Keeper
Crystal Keeper is a Pendulum Effect Monster in the Crystal Beast archetype, first released in 2018 in Flames of Destruction. It has 3 printings across 3 sets (Common). The cheapest copy is SDCB-EN010 Common at $0.12; the most valuable is FLOD-EN093 Common at $0.21. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.12 – $0.21
3 printings priced
Type
Warrior
Level
4
ATK
1500
DEF
1800
<strong>Pendulum Effect:</strong> Each turn, the first time an "Ultimate Crystal" monster(s) and/or "Crystal Beast" card(s) you control would be destroyed by card effect that turn, it is not destroyed. <br><strong>Monster Effect:</strong> If a "Crystal Beast" monster you control battles an opponent's monster, during damage calculation (Quick Effect): You can Tribute this card from your hand or face-up from your field: your battling monster's ATK/DEF become double its original ATK/DEF during that damage calculation only, but it is destroyed at the end of this Damage Step.
Appears in 3 expansions
Printings (3)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Flames of Destruction | FLOD-EN093 | Common | $0.21 | |
| 2019 Gold Sarcophagus Tin Mega Pack | MP19-EN066 | Common | $0.14 | |
| Structure Deck: Legend of the Crystal Beasts | SDCB-EN010 | Common | $0.12 |
Crystal Keeper: FAQ
How much is Crystal Keeper worth?+
Crystal Keeper currently sells for $0.12 – $0.21 on TCGPlayer, from $0.12 for SDCB-EN010 up to $0.21 for FLOD-EN093. The exact value depends on the printing, rarity, edition and condition — scan the card with YuScan to see the price of your copy.
Which sets was Crystal Keeper printed in?+
Crystal Keeper appears in 3 sets: Flames of Destruction, 2019 Gold Sarcophagus Tin Mega Pack, Structure Deck: Legend of the Crystal Beasts.
Is Crystal Keeper legal in tournaments?+
On the current TCG Forbidden & Limited List, Crystal Keeper is unlimited (3 copies).
What is the passcode of Crystal Keeper?+
The 8-digit passcode printed on Crystal Keeper is 14469229.
Crystal Beast
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