Gem-Knight Lady Brilliant Diamond

Level 10 EARTH/Rock Fusion Effect
3400 ATK / 2000 DEF

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.

Rulings – Yugipedia

Printings:

Clash of Rebellions: CORE-EN047 (Ultra Rare) - 2015-08-06
Battles of Legend: Monster Mayhem: BLMM-EN145 (Secret Rare) - 2025-08-28

Prices:

Cardmarket: 0.20 €
TCGplayer: $ 0.20