Enlisted Wurm is a uncommon Creature — Wurm card from Alara Reborn (ARB), collector number 68. Current market price: $0.12 (foil $0.59), TCGplayer market prices via Scryfall.
Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)