Reverse Polarity - French Tweet NM-Mint, French, Montréal, 3 In stock CAD$ 0.99 Light Play, French, Montréal, 1 In stock CAD$ 0.89 Details Color: White Card Text: You gain X life, where X is twice the damage dealt to you so far this turn by artifacts. Rarity: U Cost: WW Card Type: Instant Artist: Justin Hampton Name: Reverse Polarity Finish: Regular Set Name: Revised Edition