Caius the Shadow Monarch [SDDE-EN001] Ultra Rare Legacy of Darkness take control of that monster

take control of that monster

If a Tribute Summoned monster you control attacks an opponent's monster

This card gains 500 ATK for each face-up WATER monster on the field

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

Caius the Shadow Monarch [SDDE-EN001] Ultra Rare Legacy of Darkness take control of that monsterSet: 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.