· Battles of Legend: Monster Mayhem

Gem-Knight Topaz

EN138 • Ultra Rare

A near-mint Gem-Knight Topaz #EN138 from Battles of Legend: Monster Mayhem (Yu-Gi-Oh!) is worth about £0.16.

Market value

£0.16

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Near Mint 1st Edition

£0.16

Lightly Played 1st Edition

£0.08

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About Gem-Knight Topaz

Gem-Knight Topaz (card #EN138) is a Ultra Rare card from the Battles of Legend: Monster Mayhem set in the Yu-Gi-Oh! Trading Card Game. It carries a rarity of Ultra Rare, which determines how often it appears in booster packs. The Battles of Legend: Monster Mayhem set was released in 2025. Based on live market data, a near-mint copy is currently valued at around £0.16 on The TCG OS. Track its full price history, compare raw and graded values, browse other printings, and find live listings below.

Card details

Set: Battles of Legend: Monster Mayhem
Number: #EN138
Rarity: Ultra Rare
Year: 2025
Game: Yu-Gi-Oh!
Market value: £0.16 (near-mint)

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27 data points

Card details

Type: Fusion Effect Monster
Attribute: EARTH
Race: Thunder
Level / Rank: 6
ATK / DEF: 1800 / 1800
Archetype: Gem-
Rarity: Ultra Rare
Released: 28 Aug 2025

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.