The Gem-Knight Lady Brilliant Diamond (BLMM-EN145) is a Secret Rare trading card from the 2025 Yu-Gi-Oh! Battles of Legend: Monster Mayhem expansion.
Gem-Knight Lady Brilliant Diamond
2025 • Yu-Gi-Oh! • Battles of Legend: Monster Mayhem
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Description
Gem-Knight Lady Brilliant Diamond (BLMM-EN145) stands as a distinctive entry in the 2025 Yu-Gi-Oh! Battles of Legend: Monster Mayhem series. As a Secret Rare within this collection, it features a premium holo finish that enhances its visual appeal for dedicated players and collectors alike. The card is part of the BLMM-EN145 catalog slot, firmly anchoring it within the broader context of the Monster Mayhem set's design language. Collectors often seek this print for its intricate detailing and the prestige associated with Secret Rare treatments in modern Yu-Gi-Oh! Releases. Completing a set of Battles of Legend: Monster Mayhem requires tracking down these high-rarity variants, making Gem-Knight Lady Brilliant Diamond a key component for serious enthusiasts. The card's identity is defined by its clear branding and the iconic character it portrays, appealing to fans of the Gem-Knight archetype. Whether you are building a competitive deck or a personal collection, this card offers a tangible connection to the 2025 Monster Mayhem expansion. Its presence in the set highlights the ongoing evolution of Yu-Gi-Oh! Card art and rarity structures. For those interested in the strategic depth of the Gem-Knight series, this Secret Rare version adds a layer of sophistication to any display. The card remains a notable item for anyone following the Battles of Legend sub-series.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
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Game
Yu-Gi-Oh!
TCG Attributes
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Secret Rare
Card Stock
English
Holo
Earth
Rock
10
3400 / 2000
Gem-
Card Text
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3 "Gem-Knight" monsters Must first be Fusion Summoned with the above Fusion Materials. You can only Special Summon "Gem-Knight Lady Brilliant Diamond(s)" once per turn. Once per turn: You can send 1 face-up "Gem-Knight" monster you control to the Graveyard, and if you do, Special Summon 1 "Gem-Knight" Fusion Monster from your Extra Deck, ignoring its Summoning conditions.