Bogslither's Embrace is a common Sorcery card from Lorwyn Eclipsed (ECL), collector number 94. Current market price: $0.23 (foil $0.33), TCGplayer market prices via Scryfall.
As an additional cost to cast this spell, blight 1 or pay {3}. (To blight 1, put a -1/-1 counter on a creature you control.) Exile target creature.