Watcher in the Mist is a common Creature — Spirit card from Ravnica: Clue Edition (CLU), collector number 104. Current market price: $0.12, TCGplayer market prices via Scryfall.
Flying When this creature enters, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)