Name: Altar of Dementia Cost: 2 CMC: 2 Color: CID: Type: Artifact Rules Text: Sacrifice a creature: Target player mills cards equal to the sacrificed creature's power. Set/Rarity: Tempest rare, Conspiracy rare, Modern Horizons rare, The Brothers' War Retro Artifacts mythic Set Code: TMP-R, CNS-R, MH1-R, BRR-M Legality: Legal in vintage, Legal in gladiator, Legal in premodern, Legal in historic, Legal in penny, Legal in duel, Legal in predh, Legal in oathbreaker, Legal in legacy, Legal in commander, Legal in brawl, Legal in timeless, Legal in modern Price: $17.54 Foil price: $18.29