T: 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.
Shipping is a flat rate of $4.99. We can only serve the continental US.