Diregraf Rebirth (DBL) from Innistrad: Double Feature, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Irina Nordsol
• Card Text:
  This spell costs 1 less to cast for each creature that died this turn.
  Return target creature card from your graveyard to the battlefield.
  Flashback 5BG (You may cast this card from your graveyard for its flashback cost. Then exile it.)