Corpse Explosion is a rare Sorcery card from Streets of New Capenna (SNC), collector number 435. Current market price: $0.27 (foil $0.18), 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.