Umbral Collar Zealot 
Creature — Human Cleric
Sacrifice another creature or artifact: Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL