Yu-Gi-Oh! · Hidden Arsenal 7: Knight of Stars
Gem-Knight Sardonyx
French name: Sardonyx, Chevalier-Gemmes
Gem-Knight Sardonyx (Hidden Arsenal 7: Knight of Stars HA07-EN001) has a market price of US$0.42 to US$0.73 as of Nov 8, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 8, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Gemini Monster
- Level
- 4
- Attribute
- EARTH
- Monster type
- Pyro
- Archetype
- Gem-
- ATK
- 1,800
- DEF
- 900
Card text
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.
About this card
Gem-Knight Sardonyx is card HA07-EN001 in Hidden Arsenal 7: Knight of Stars, a Yu-Gi-Oh! set released Apr 26, 2013. Rarity: Super Rare. Finishes: Unlimited, 1st Edition. Reference market price on Nov 8, 2026: US$0.73 (Unlimited), US$0.42 (1st Edition). Over the last 30 days, the Unlimited price went up 30.4%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
