Mana Vault [Beta Edition] BET017 then return that card to

then return that card to the battlefield under your control

you may exile a blue card from your hand rather than pay this spell's mana cost

Set: Sun & Moon: Black Star Promos Type: Lightning Rarity: Promo Retreat cost: 1

whenever a creature becomes tapped

terrible and worshipful

Mana Vault [Beta Edition] BET017 then return that card toSet: Beta 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}.