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 legacy, Legal in duel, Legal in competitivebrawl, Legal in gladiator, Legal in historic, Legal in commander, Legal in timeless, Legal in oathbreaker, Legal in pioneer, Legal in penny, Legal in modern, Legal in brawl, Legal in vintage Price: $0.42 Foil price: $0.54