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Description
| Set: | Commander Masters |
| Type: | Artifact |
| Rarity: | Rare |
| Cost: | {8} |
Indestructible
Once each turn, you may pay 0 rather than pay the mana cost for a colorless spell you cast from your hand.
Once each turn, you may pay 0 rather than pay the mana cost for a colorless spell you cast from your hand.
Mirrodin's heart beats with Phyrexian oil.
