Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] SPA Cañón de los grifos Set: Sun & Moon: Base

Set: Sun & Moon: Base Set Type: Water Rarity: Holo Rare Retreat cost: Colorless

Set: Magic Premiere Shop Type: Basic Land Cost: null

Set: Dungeons & Dragons: Adventures in the Forgotten Realms Type: Legendary Creature — Human Elf Ranger Rarity: Rare Cost: {1}{G}{G} Reach

Set: Tempest Type: Enchantment — Aura Common Cost: {1}{U} Enchant creature Enchanted creature can't attack or block

Urza's Science Fair Project gets the indicated result

Altar of Dementia (Retro Schematic) [The Brothers' War Retro Artifacts] SPA Cañón de los grifos Set: Sun & Moon: BaseSet: 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