House Guildmage is a uncommon Creature — Human Wizard card from Guilds of Ravnica (GRN), collector number 177. Current market price: $0.09 (foil $0.30), TCGplayer market prices via Scryfall.
{1}{U}, {T}: Target creature doesn't untap during its controller's next untap step. {2}{B}, {T}: 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.)