Gem-Knight Ruby [HA05-EN019] Secret Rare Premium Figure Collection it gains 500 ATK until

it gains 500 ATK until your opponent's next End Phase

Set: Dark Saviors Card type: Effect Monster Rarity: Super Rare Attack: 1900 Defense: 200 During your Main Phase: You can Special Summon 1 monster "Fur Hire" from your hand

You can only Special Summon "Photon Advancer" once per turn this way

Set: Premium Gold Card type: Normal Trap Rarity: Gold Rare Attack: 0 Defense: 0 Tribute 1 Winged Beast-Type monster

Gem-Knight Ruby [HA05-EN019] Secret Rare Premium Figure Collection it gains 500 ATK untilSet: 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