Phthisis (C13) from Commander 2013, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Carl Critchlow
• Card Text:
  Destroy target creature. Its controller loses life equal to its power plus its toughness.
  Suspend 5 - 1B (Rather than cast this card from your hand, you may pay 1B and exile it with five time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.)