2X2: Mana Vault (Borderless) (Foil)

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}.