: Add 3 colorless mana to your mana pool. Mana Vault doesn't untap normally during untap phase; to untap it, you must pay 4 mana during your upkeep. If Mana Vault remains tapped during upkeep it does 1 damage to you. Drawing mana from this artifact is played as an interrupt.
[1E]:R [2E]:R [2U]:R [3E]:R [4E]:R [5E]:R [ME4]:R [VMA]:R [MPS_KLD]:S