Gem-Knight Ruby
Lowest price · All printings
$0.30
Any condition · All stores · Oct 17, 2026
Market
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Listings
21
2 printings · 12 stores
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Prices as of Oct 17, 2026 at 5 AM ET. Stock moves fast, so confirm on the store's page.
| Set code | Set | Rarity | Listings | Lowest today |
|---|---|---|---|---|
| BLMM-EN136 | Battles of Legend: Monster Mayhem | Ultra Rare | 10 | $0.38 |
| HA05-EN019 | Hidden Arsenal 5: Steelswarm Invasion | Secret Rare | 7 | $2.39 |
| DT05-EN034 | Duel Terminal 5a | Duel Terminal Ultra Parallel Rare | — | — |
"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.