Gem-Knight Master Diamond
Hidden Arsenal 7: Knight of Stars HA07-EN059 • secret-rare
- Level
- 9
- Attack
- 2900
- Rarity
- secret-rare
- Defense
- 2500
Why it matters
Gem-Knight Master Diamond serves as a pivotal boss monster for the Gem-Knight archetype, prized for its ability to mimic the effects of other Gem-Knight monsters in the graveyard. First appearing in the Hidden Arsenal 7: Knight of Stars set, its Secret Rare finish remains a sought-after aesthetic highlight for players who appreciate the high-rarity holographic designs characteristic of this era of Yu-Gi-Oh.
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About Gem-Knight Master Diamond
Gem-Knight Master Diamond is a card in the Yu-Gi-Oh! catalog on collecto.rs. Hidden Arsenal 7: Knight of Stars HA07-EN059 • secret-rare. Catalog data is sourced from YGOProDeck. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.
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