Caius the Shadow Monarch [GLD2-EN033] Ultra Rare Code of the Duelist when an Effect Monster's effect

when an Effect Monster's effect activates: You can send 1 Equip Card equipped to this card to the Graveyard

equip this card to it

destroy the face-down monster with this card's effect

Set: Duelist Pack: Kaiba Card type: Effect Monster Rarity: Ultimate Rare Attack: 900 Defense: 900 FLIP: Destroy all monsters on the field

send all cards in both players' hands and on the field to the Graveyard

Caius the Shadow Monarch [GLD2-EN033] Ultra Rare Code of the Duelist when an Effect Monster's effectSet: Gold Series 2009 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.