Lashweed Lurker is a uncommon Creature — Eldrazi Horror card from Eldritch Moon (EMN), collector number 9. Current market price: $0.08 (foil $0.33), TCGplayer market prices via Scryfall.
Emerge {5}{G}{U} (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's mana value.) When you cast this spell, you may put target nonland permanent on top of its owner's library.