Gem-Knight Citrine

Gem-Knight Citrine was released as part of the Hidden Arsenal 6: Omega Xyz booster set in 2013, representing the conclusion of the Hidden Arsenal series that brought the Japanese Duel Terminal storyline to Western audiences. The Gem-Knight archetype was designed around a fusion-summoning mechanic that emphasizes resource management and graveyard interaction, fitting into the broader strategic landscape of the era's competitive meta.

The card features the distinct aesthetic of the Gem-Knight fusion monsters, blending crystalline imagery with knightly armor to create a visually cohesive theme. As a Secret Rare, this specific printing is notable for its 'secret' foiling pattern—a diagonal etched texture that distinguishes it from common or rare counterparts. Upon release, it was regarded as a specialized utility tool for Gem-Knight players due to its ability to prevent the opponent from activating cards or effects during its attacks.