Darksteel Monolith
From Commander Masters
Card details
Artifact
Rare
Indestructible
Once each turn, you may pay 
rather than pay the mana cost for a colorless spell that you cast from your hand.
Mirrodin's heart beats with Phyrexian oil.
Artist: Sergey Glushakov
Card details
Artifact
Rare
Indestructible
Once each turn, you may pay rather than pay the mana cost for a colorless spell that you cast from your hand.
Mirrodin's heart beats with Phyrexian oil.
Artist: Sergey Glushakov
All versions of Darksteel Monolith
