Nightveil Sprite is a uncommon Creature — Faerie Rogue card from Ravnica Remastered (RVR), collector number 52. Current market price: $0.19 (foil $0.23), TCGplayer market prices via Scryfall.
Flying Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)