Gem-Knight Sardonyx

Hidden Arsenal 7: Knight of Stars HA07-EN001 • super-rare

Set: Hidden Arsenal 7: Knight of Stars
Printing code: HA07-EN001
Rarity: Super rare
Card type: Effect monster
Attribute: Earth
Level / Rank: 4
ATK: 1800
DEF: 900

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38,297cards in the catalog

1other printing of this card

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Lore

Why it matters

Gem-Knight Sardonyx represents an early entry in the Gem-Knight archetype, which centers on utilizing Fusion Summoning to pivot between various elemental strategies. As a super-rare pull from Hidden Arsenal 7, this card is particularly valued by collectors who specialize in completing the terminal-era sets that introduced complex mechanical themes to the game.

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Provenance

Where it came from

Gem-Knight Sardonyx was introduced in the 2013 expansion Hidden Arsenal 7: Knight of Stars. This set was designed to bring the OCG's Duel Terminal story arc content to the Western market, specifically focusing on the Gem-Knight archetype. These monsters are notable for their earth-based aesthetic and fusion-centric playstyle, with the design team utilizing crystal-themed imagery to differentiate them from more traditional warrior tropes in the game.

The card was illustrated with the high-fantasy aesthetic characteristic of the late Duel Terminal era, aiming to emphasize the 'gem' aspect of the archetype through its mineral-inspired armor and glowing accents. As a super-rare card, it served as a utility piece within the set, received by players as a flexible addition to fusion-heavy decks. It reflects the broader design philosophy of the time, which prioritized rapid resource generation and field presence for the Gem-Knight strategy.

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Other printings

Others named Gem-Knight Sardonyx

Same name, different printings and different cards — these sources have no shared id tying a reprint to its original.

Gem-Knight SardonyxDuel Terminal 7a · #DT07-EN014—

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About

About Gem-Knight Sardonyx

Gem-Knight Sardonyx is a card in the Yu-Gi-Oh! catalog on collecto.rs. Hidden Arsenal 7: Knight of Stars HA07-EN001 • super-rare. Catalog data is sourced from YGOProDeck. No collectors on collecto.rs publicly track this card yet — adding yours would make you the first.

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Where does the Gem-Knight Sardonyx catalog entry come from?

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