Caius the Shadow Monarch [SDDE-EN001] Ultra Rare Legacy of Darkness Once per turn: You can

Once per turn: You can attach 1 "Super Quantum" monster from your hand or field to this card as an Xyz Material

Set: Shonen Jump Magazine Promos Card type: Normal Monster Rarity: Ultra Rare Attack: 2400 Defense: 2000

during damage calculation only

Set: XY: Flashfire Type: Water Rarity: Uncommon Retreat cost: Colorless

Caius the Shadow Monarch [SDDE-EN001] Ultra Rare Legacy of Darkness Once per turn: You canSet: Structure Deck: The Dark Emperor Card type: Effect Monster Rarity: Ultra Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned, remove from play 1 card on the field. If it was a DARK Monster Card, inflict 1000 damage to your opponent.