Mana Vault [Ultimate Box Topper] Baddest Set: Amonkhet Invocations Type: Instant

Set: Amonkhet Invocations Type: Instant Mythic Cost: {U}{U} Counter target spell

Put the rest on the bottom of your library in any order

The cube's surface is pockmarked with jagged runes that seem to shift when unobserved

destroy target artifact

sacrifice this artifact unless you pay {2}

Mana Vault [Ultimate Box Topper] Baddest Set: Amonkhet Invocations Type: InstantSet: Ultimate Box Topper Type: Artifact 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}.