Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] Commander and Phyrexia: All Will be

and Phyrexia: All Will be One are Argentum expansions

exile the top two cards of your library

Prevent all combat damage that would be dealt this turn by creatures other than Phyrexians

−2: Put two +1/+1 counters on target creature

Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] Commander and Phyrexia: All Will beSet: 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