name: Power Leak
originalText: Target enchantment costs 2 extra mana during upkeep. If target enchantment's controller cannot or will not pay this extra mana, Power Leak does 1 damage to him or her for each unpaid mana.
printings: 2ED, 30A, 3ED, 4BB, 4ED, CED, CEI, FBB, LEA, LEB, SUM
text: Enchant enchantment\nAt the beginning of the upkeep of enchanted enchantment's controller, that player may pay any amount of mana. Power Leak deals 2 damage to that player. Prevent X of that damage, where X is the amount of mana that player paid this way.