Gem-Knight Ruby
"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.
Price history (market low)
Jun 13low $0.01 · high $2.14Jun 20
Printings (5)
| Set | Rarity | No. | Market low | |
|---|---|---|---|---|
| Duel Terminal 5 | Duel Terminal Ultra Parallel Rare | DT05-EN034 | $10.32 | |
| Hidden Arsenal 5: Steelswarm Invasion | Secret Rare | HA05-EN019 | $1.25 | |
| Hidden Arsenal 5: Steelswarm Invasion · 1st | Secret Rare | HA05-EN019 | $0.80 | |
| Battles of Legend: Monster Mayhem · 1st | Ultra Rare | BLMM-EN136 | $0.01 | |
| Battles of Legend: Monster Mayhem · 1st | Ultra Rare | BLMM-EN136 | — |