Yu-Gi-Oh! · Battles of Legend: Monster Mayhem
Gem-Knight Topaz
French name: Topaze, Chevalier-Gemmes
Gem-Knight Topaz (Battles of Legend: Monster Mayhem BLMM-EN138) has a market price of US$0.18 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
- Thunder
- Archetype
- Gem-
- ATK
- 1,800
- DEF
- 1,800
Card text
"Gem-Knight Tourmaline" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.
About this card
Gem-Knight Topaz is card BLMM-EN138 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$0.18. Over the last 30 days, the 1st Edition price went up 5.9%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.