Altar of Dementia (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Beast except it's 1/1

except it's 1/1

each player exiles cards from the top of their library until they exile a nonland card

the Macrosage enters the battlefield

Spend this mana only to cast colorless Eldrazi spells or activate abilities of colorless Eldrazi

You may cast that card this turn

Altar of Dementia (Retro Schematic) (Serialized) [The Brothers' War Retro Artifacts] Beast except it's 1/1Set: The Brothers' War Retro Artifacts Type: Artifact Rarity: Mythic Cost: {2} Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. "My dreams have brought more visions from our master: an altar, exquisite and perfect. We must build it at once." Writings of Artonac, priest of Gix