Gem-Knight Ruby
- Attribute
- EARTH
- Type
- Pyro
- Level
- 6
- ATK
- 2500
- DEF
- 1300
Card Text
"Gem-Knight Garnet" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Materials. Once per turn: You can Tribute 1 other face-up "Gem-" monster; this card gains ATK equal to the ATK that Tributed monster had on the field, until the end of this turn. If this card attacks a Defense Position monster, inflict piercing battle damage to your opponent.
Series
Printings
| Set | Code | Rarity | Released |
|---|---|---|---|
| Hidden Arsenal 5: Steelswarm Invasion | HA05-EN019 | Secret Rare | December 1, 2011 |
| Battles of Legend: Monster Mayhem | BLMM-EN136 | Ultra Rare | August 28, 2025 |
| Duel Terminal 5 | DT05-EN034 | Duel Terminal Ultra Parallel Rare | — |
| Duel Terminal 5a | DT05-EN034 | Duel Terminal Ultra Parallel Rare | — |