Gem-Knight Sardonyx
Gem-Knight Sardonyx is a Gemini Effect Monster in the Gem- archetype, first released in 2012 in Duel Terminal 7. It has 2 printings across 2 sets (Super Rare, Duel Terminal Normal Parallel Rare). The cheapest copy is HA07-EN001 Super Rare at $0.55; the most valuable is DT07-EN014 Duel Terminal Normal Parallel Rare at $1.10. In the TCG it is currently unlimited (3 copies).
Market price · TCGPlayer
Updated Oct 1, 2026
$0.55 – $1.10
2 printings priced
Type
Pyro
Level
4
ATK
1800
DEF
900
This card is treated as a Normal Monster while face-up on the field or in the Graveyard. While this card is face-up on the field, you can Normal Summon it to have it become an Effect Monster with this effect. // * When this card destroys an opponent's monster by battle and sends it to the Graveyard: You can add 1 "Gem-Knight" card from your Deck to your hand.
Appears in 2 expansions
Printings (2)
| expansion | Code | Rarity | Price | Buy |
|---|---|---|---|---|
| Hidden Arsenal 7: Knight of Stars | HA07-EN001 | Super Rare | $0.55 | |
| Duel Terminal 7 | DT07-EN014 | Duel Terminal Normal Parallel Rare | $1.10 |
Gem-Knight Sardonyx: FAQ
How much is Gem-Knight Sardonyx worth?+
Gem-Knight Sardonyx currently sells for $0.55 – $1.10 on TCGPlayer, from $0.55 for HA07-EN001 up to $1.10 for DT07-EN014. 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 Gem-Knight Sardonyx printed in?+
Gem-Knight Sardonyx appears in 2 sets: Hidden Arsenal 7: Knight of Stars, Duel Terminal 7.
Is Gem-Knight Sardonyx legal in tournaments?+
On the current TCG Forbidden & Limited List, Gem-Knight Sardonyx is unlimited (3 copies).
What is the passcode of Gem-Knight Sardonyx?+
The 8-digit passcode printed on Gem-Knight Sardonyx is 43114901.
Gem-
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