Name: Reverse Polarity Cost: WW CMC: 2 Color: W CID: W Type: Instant Rules Text: You gain X life, where X is twice the damage dealt to you so far this turn by artifacts. Set/Rarity: Antiquities common, Revised Edition uncommon, Foreign Black Border uncommon, Summer Magic / Edgar uncommon Legality: Legal in vintage, Legal in oathbreaker, Legal in paupercommander, Legal in duel, Legal in oldschool, Legal in commander, Legal in legacy, Legal in predh, Legal in pauper Price: $0.30