Story of Hope and Decay

Choose one. If this spell wasn't cast from your
hand, choose both instead.
• Until end of turn, whenever a creature becomes exiled, its owner gains life equal to that creature's toughness.
• Until end of turn, whenever a creature dies, its
owner loses life equal to that creature's power.
Flashback {8}{w}{b} (You may cast this card from
your graveyard for its flashback cost. Then exile it.)