Name: Sphinx's Decree Cost: 1W CMC: 2 Color: W CID: W Type: Sorcery Rules Text: Each opponent can't cast instant or sorcery spells during that player's next turn. Set/Rarity: Rivals of Ixalan rare, Rivals of Ixalan Promos rare Set Code: RIX-R, PRIX-R Legality: Legal in vintage, Legal in pioneer, Legal in historic, Legal in duel, Legal in penny, Legal in gladiator, Legal in oathbreaker, Legal in legacy, Legal in modern, Legal in commander, Legal in brawl, Legal in timeless Price: $0.25 Foil price: $0.29