Caius the Shadow Monarch (Blue) [DL15-EN006] Rare MON189-CF 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: Eldritch Moon Prerelease Promos Type: Enchantment Rarity: Rare Cost: {W} You may cast Aura and Equipment spells as though they had flash

published by Oni Press

you may sacrifice Sanctum of Ugin

return them to the hand

Caius the Shadow Monarch (Blue) [DL15-EN006] Rare MON189-CF Once per turn: You canSet: Duelist League Promo Card type: Effect Monster Rarity: Rare Attack: 2400 Defense: 1000 When this card is Tribute Summoned, target 1 card on the field; banish that target, and if you do, inflict 1000 damage to your opponent if it was a DARK Monster.