Altar of Dementia Tweet Light Play, English, 1 In stock $13.30 Heavy Play, English, 2 In stock $10.50 Details Color: Artifact Card Text: Sacrifice a creature Target player puts a number of cards equal to the sacrificed creature's power from the top of his or her library into his or her graveyard. Rarity: R Cost: 2 Card Type: Artifact Name: Altar of Dementia Finish: Regular Set Name: Tempest