Caius the Shadow Monarch [BP01-EN018] Rare Pendulum/Flip/Effect Monster when an opponent's monster declares

when an opponent's monster declares an attack: You can change the attack target to this card and perform damage calculation

Set: Legendary Dragon Decks Card type: Normal Spell Rarity: Common Fusion Summon 1 Machine Fusion Monster from your Extra Deck

1 Xyz monster that is 1 Rank higher than this card

You can only use this effect of "Gullveig of the Nordic Ascendant" once per turn

Set: Duelist Pack: Kaiba Card type: Normal Monster Rarity: Common Attack: 2200 Defense: 1500

Caius the Shadow Monarch [BP01-EN018] Rare Pendulum/Flip/Effect Monster when an opponent's monster declaresSet: Battle Pack: Epic Dawn 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.