Mana Screw Tweet Moderately Played, limit 6 $0.02 / $0.02 credit Buy This Product Details Card Number: 18/140 Card Type: Artifact Rarity: U Card Text: 1 Flip a coin. If you win the flip, add 2 to your mana pool. Play this ability only any time you could play an instant. Color: Artifact Finish: Regular Name: Mana Screw Set Name: Unhinged Cost: 1