Watcher for Tomorrow is a uncommon Creature — Human Wizard card from Modern Horizons (MH1), collector number 76. Current market price: $0.33 (foil $3.86), TCGplayer market prices via Scryfall.
Hideaway 4 (When this creature enters, look at the top four cards of your library, exile one face down, then put the rest on the bottom in a random order.) This creature enters tapped. When this creature leaves the battlefield, put the exiled card into its owner's hand.