Gem-Knight Lady Brilliant Diamond is a Secret Rare Fusion Monster card from Yu-Gi-Oh! (Battles of Legend: Monster Mayhem, BLMM). Current market price: $0.21.
Secret Rare
Battles of Legend: Monster Mayhem (BLMM)
Card Text
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.
