System Down (UTR) [CRV-EN041] Ultimate Rare Metal [x2] then target 1 other face-up

then target 1 other face-up card on the field

You can only Special Summon "Archfiend Black Skull Dragon(s)" once per turn

if this card battles an opponent's monster: You can attach that monster to this card as a face-up Xyz Material

Set: The New Challengers Card type: Fusion/Effect Monster Rarity: Ultimate Rare Attack: 2600 Defense: 3000 1 "Shaddoll" monster + 1 EARTH monster Must first be Fusion Summoned

Set: Shonen Jump Magazine Promos Card type: Effect Monster Rarity: Ultra Rare Attack: 1600 Defense: 1800 Your opponent cannot select another Spellcaster-Type monster of your side of the field as an attack

System Down (UTR) [CRV-EN041] Ultimate Rare Metal [x2] then target 1 other face-upSet: Cybernetic Revolution Card type: Normal Spell Card Rarity: Ultimate Rare Pay 1000 Life Points. Remove from play all Machine Type monsters on your opponent''s side of the field and in their Graveyard.