Name: Sphere of Duty Cost: 3W CMC: 4 Color: W CID: W Type: Enchantment Rules Text: If a green source would deal damage to you, prevent 2 of that damage. Set/Rarity: Odyssey uncommon Legality: Legal in commander, Legal in premodern, Legal in oathbreaker, Legal in penny, Legal in predh, Legal in legacy, Legal in vintage, Legal in duel Price: $0.15 Foil price: $2.86