Gem-Knight Master Diamond — Battles of Legend: Monster Mayhem #143 (Yu-Gi-Oh!)

Gem-Knight Master Diamond

Battles of Legend: Monster Mayhem · #143 · Ultra Rare · Ultra Rare

Fusion Monster

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Card text

As printed · card data from YGOPRODeck

3 "Gem-Knight" monsters Must first be Fusion Summoned. This card gains 100 ATK for each "Gem-" monster in your Graveyard. Once per turn: You can banish 1 Level 7 or lower "Gem-Knight" Fusion Monster from your Graveyard; until the End Phase, this card's name becomes that monster's, and replace this effect with that monster's original effects.

Details

Card type
Fusion Effect Monster
Monster type
Rock
Attribute
EARTH
Level
9
ATK / DEF
2900 / 2500
Archetype
Gem-
Formats
  • Duel Links
  • Common Charity
  • TCG
  • OCG
  • Master Duel
Konami ID
10001

Banlist status

  • TCGLimited
Printed in 7 sets(per YGOPRODeck)
  • Battles of Legend: Monster MayhemBLMM-EN143Ultra Rare
  • Duel Terminal 7bDT07-EN083Duel Terminal Ultra Parallel Rare
  • Hidden Arsenal 7: Knight of StarsHA07-EN059Secret Rare
  • Quarter Century StampedeRA04-EN178Platinum Secret Rare
  • Quarter Century StampedeRA04-EN178Quarter Century Secret Rare
  • Star Pack ARC-VSP15-EN030Common
  • Star Pack ARC-VSP15-EN030Shatterfoil Rare

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More from Battles of Legend: Monster Mayhem

135 cards · released 28 Aug 2025

All cards in Battles of Legend: Monster Mayhem →

Card data: YGOPRODeck · Prices: Cardmarket, nightly.

Prices are Cardmarket's published EUR market prices — estimates of market value, not guaranteed sale proceeds. Yu-Gi-Oh! is a trademark of its publisher; My TCG Wallet is not affiliated.