Yu-Gi-Oh! · Battles of Legend: Monster Mayhem
Gem-Knight Ruby
French name: Rubis, Chevalier-Gemmes
Gem-Knight Ruby (Battles of Legend: Monster Mayhem BLMM-EN136) has a market price of US$0.19 as of Nov 9, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Fusion Monster
- Level
- 6
- Attribute
- EARTH
- Monster type
- Pyro
- Archetype
- Gem-
- ATK
- 2,500
- DEF
- 1,300
Card text
"Gem-Knight Garnet" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem-" monster; this card gains ATK equal to the Tributed monster's ATK on the field, until the End Phase. If this card attacks a Defense Position monster, inflict piercing Battle Damage to your opponent.
About this card
Gem-Knight Ruby is card BLMM-EN136 in Battles of Legend: Monster Mayhem, a Yu-Gi-Oh! set released Jun 13, 2025. Rarity: Ultra Rare. Finishes: 1st Edition. Reference market price on Nov 9, 2026: US$0.19. Over the last 30 days, the 1st Edition price went down 20.8%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.
