Soul Enervation - Magnified Showcase (MKM) from Murders at Karlov Manor, available at 401 Games Canada.

• Rarity: Uncommon
• Finish: Normal
• Artist: Joshua Cairos
• Card Text:
  Flash
  When Soul Enervation enters the battlefield, target creature gets -4/-4 until end of turn.
  Whenever one or more creature cards leave your graveyard, each opponent loses 1 life and you gain 1 life.