Council of the Absolute is a mythic Creature — Human Advisor card from Dragon's Maze (DGM), collector number 62. Current market price: $0.31 (foil $1.25), TCGplayer market prices via Scryfall.
As this creature enters, choose a noncreature, nonland card name. Your opponents can't cast spells with the chosen name. Spells with the chosen name you cast cost {2} less to cast.