Gem-Knight Ruby
| Name | Gem-Knight Ruby |
| Archetype | Gem- |
| Attribute |
WATER 
|
| Level |
6
 |
| ATK / DEF | 2500 / 1300 |
| Materials | "Gem-Knight Garnet" + 1 "Gem-Knight" monster |
| Passcode | 76614340 |
| Status (TCG) | Unlimited |
"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.
Expansions
| 2011-12-01 | Hidden Arsenal 5: Steelswarm Invasion | HA05-EN019 |
|
| 2011-05-29 | Duel Terminal 5 | DT05-EN034 |
|