Altar of Dementia Tweet Out of stock. $4.24 Wishlist Sell This Product Details Color: Artifact Card Text: Sacrifice a creature: Target player puts a number of cards equal to the sacrificed creatures power from the top of their library into their graveyard. Rarity: R Cost: 2 Card Type: Artifact Artist: Brom Name: Altar of Dementia Finish: Regular Card Number: 218/254 Set Name: Modern Horizons