Mana Vault [Kaladesh Inventions] Spider Fusion Material Monsters that are

Fusion Material Monsters that are listed on a Machine-Type Fusion Monster Card

Set: The Lost Art Promotion Card type: Continuous Trap Rarity: Ultra Rare Activate this card by targeting 1 monster in your GY

if you control a "Witchcrafter" monster

Set: HarperPrism Book Promos Type: Artifact Rarity: Rare Cost: {0} At the beginning of your upkeep

or flips that monster(s) face-up

Mana Vault [Kaladesh Inventions] Spider Fusion Material Monsters that areSet: Kaladesh Inventions Type: Artifact Rarity: Mythic Cost: {1} Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}.