Starlit Soothsayer is a common Creature — Bat Cleric card from Bloomburrow (BLB), collector number 115. Current market price: $0.18 (foil $0.30), TCGplayer market prices via Scryfall.
Flying At the beginning of your end step, if you gained or lost life this turn, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)