Gem-Knight Crystal
Battles of Legend: Monster Mayhem · #BLMM-EN100 · Yu-Gi-Oh!
Yu-Gi-Oh!Battles of Legend: Monster MayhemUltra Rare1st Edition#BLMM-EN100
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Updated Sep 21, 2026, 12:07 PM
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Near Mint condition over the last year
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![Battles of Legend: Monster Mayhem Booster Box [1st Edition]](https://cdn.tcgpricelookup.com/cards/18229d1f775f0362.webp)
Battles of Legend: Monster Mayhem Booster Box [1st Edition]
![Battles of Legend: Monster Mayhem Booster Pack [1st Edition]](https://cdn.tcgpricelookup.com/cards/f3557e1e5d4a0349.webp)
Battles of Legend: Monster Mayhem Booster Pack [1st Edition]
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