Squirming Emergence is a rare Sorcery card from The Lost Caverns of Ixalan Promos (PLCI), collector number 241s. Current market price: — (foil $0.80), TCGplayer market prices via Scryfall.
Fathomless descent — Return to the battlefield target nonland permanent card in your graveyard with mana value less than or equal to the number of permanent cards in your graveyard.