Gem-Knight Sardonyx is a Pyro Gemini Monster with Attribute EARTH, Level 4, ATK 1800, DEF 900.
Monster cards contest the field through Summons, battles, and effects—check Level/Rank/Link and Attribute for Extra Deck or searchers.
On the current TCG and OCG Forbidden & Limited lists tracked here, Gem-Knight Sardonyx is Unlimited.
YGOPRODeck lists Gem-Knight Sardonyx for these formats: Duel Links, TCG, OCG, Master Duel.
Gem-Knight Sardonyx belongs to the Gem- archetype—use that tag when searching for engine pieces and tech options.
A listed print of Gem-Knight Sardonyx appears in Duel Terminal 7a (DT07-EN014) at Duel Terminal Normal Parallel Rare rarity.
Among markets shown on this page, the lowest listed snapshot for Gem-Knight Sardonyx is about $0.19 on Cardmarket (prices change frequently).
