Description
- Rarity: R
- Creature Type or Sub Type: Artifact
- Rules Text Contains: 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.