YZ-Tank Dragon [MFC-054] Super Rare
1st Edition - LP
Not Buying
![Gem-Knight Ruby [HA05-EN019] Secret Rare](https://cdn.shopify.com/s/files/1/0836/1931/6002/products/bccfe688-773b-5577-96f2-1825f0435188.png?v=1699412701)
Gem-Knight Ruby [HA05-EN019] Secret Rare
| Set: | Hidden Arsenal 5: Steelswarm Invasion |
| Card type: | Fusion/Effect Monster |
| Rarity: | Secret Rare |
| Attack: | 2500 |
| Defense: | 1300 |
"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.