Corpse Explosion is a rare Sorcery card from Streets of New Capenna Promos (PSNC), collector number 179s. Current market price: — (foil $0.33), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, exile a creature card from your graveyard. Corpse Explosion deals damage equal to the exiled card's power to each creature and each planeswalker.