Tap to 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. If Mana Vault remains tapped during upkeep it does 1 damage to you. Tapping this artifact can be played as an interrupt.

• Number: 159
• Rarity: R
• Type: Artifact
• Mana cost: 1
• Color: Artifact
• Artist: Mark Tedin