Mana Vault [Revised Edition] Friday Night Magic 2007 The first player may reveal

The first player may reveal cards from the top of their library until they reveal a creature card

but soon formed again

destroy all non-Wall creatures that player controls that didn't attack this turn

Set: From the Vault: Exiled Type: Land Rarity: Mythic {T}: Add {C}

Mana Vault [Revised Edition] Friday Night Magic 2007 The first player may revealSet: Revised Edition Type: Artifact Rarity: Rare 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}.