Necrosynthesis (Foil) (DBL) from Innistrad: Double Feature, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Foil
• Artist: Isis
• Card Text:
  Enchant creature
  Enchanted creature has "Whenever another creature dies, put a +1/+1 counter on this creature."
  When enchanted creature dies, look at the top X cards of your library where X is its power. Put one of those cards into your hand and the rest on the bottom of your library in a random order.