Gem-Knight Garnet + 1 "Gem-Knight" monster // Must first be Fusion Summoned using the above cards as Fusion Material Monsters. Once per turn: You can Tribute 1 face-up "Gem" monster you control; this card gains ATK equal to the Tributed monster's ATK, until the End Phase. During battle between this attacking card and a Defense Position monster, inflict piercing Battle Damage to your opponent.
![Gem-Knight Ruby [HA05-EN019] Secret Rare | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/products/57407_200w.jpg?v=1615996528)
