Card Errata:Gem-Knight Ruby

Original

First erratum

"Gem-Knight Garnet" + 1 "Gem-Knight" monster
This monster can only be Special Summoned by Fusion Summon (from the Extra Deck) using the above cards as Fusion Material Monsters. Once per turn, you can Tribute 1 face-up "Gem-" monster to have this card gain ATK equal to the Tributed monster's ATK, until the End Phase. During battle between this attacking card and a Defense Position monster whose DEF is lower than the ATK of this card, inflict the difference as Battle Damage to your opponent.

"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.