Nightveil Sprite 
Creature — Faerie Rogue
Flying Whenever this creature attacks, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL