Soul of Emancipation is a rare Creature — Avatar card from Streets of New Capenna Promos (PSNC), collector number 223p. Current market price: $0.09 (foil $0.25), TCGplayer market prices via Scryfall.
When this creature enters, destroy up to three other target nonland permanents. For each of those permanents, its controller creates a 3/3 white Angel creature token with flying.