Yu-Gi-Oh! · Battles of Legend: Monster Mayhem
Gem-Knight Crystal
French name: Cristal, Chevalier-Gemmes
Gem-Knight Crystal (Battles of Legend: Monster Mayhem BLMM-EN100) has a market price of US$0.16 as of Nov 10, 2026.
Price guide
The market price on TCGplayer, in US dollars: a guide, not an offer.
Market price
As of Nov 10, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.
Card details
- Type
- Normal Monster
- Level
- 7
- Attribute
- EARTH
- Monster type
- Rock
- Archetype
- Gem-
- ATK
- 2,450
- DEF
- 1,950
Card text
A Gem-Knight officer of high rank, who has optimized the use of the crystal powers. Despite his ability to overwhelm most opponents, he's wary of stretching himself too thin, and opts for solidarity with his comrades.
About this card
Gem-Knight Crystal is card BLMM-EN100 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 10, 2026: US$0.16. The 1st Edition price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.