Power Leak (CEI) from Intl. Collectors’ Edition, available at 401 Games Canada.

• Rarity: Common
• Finish: Normal
• Artist: Drew Tucker
• Card Text:
  (This card has square corners and a gold bordered back. Not tournament legal.)
  Target enchantment costs 2 extra mana each turn 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.