Postmortem Professor (SOS) from Secrets of Strixhaven, available at 401 Games Canada.

• Rarity: Rare
• Finish: Normal
• Artist: Nino Vecia
• Card Text:
  This creature can't block.
  Whenever this creature attacks, each opponent loses 1 life and you gain 1 life.
  1B, Exile an instant or sorcery card from your graveyard: Return this card from your graveyard to the battlefield.