Dimir Guildmage is a common Creature — Human Wizard card from Ultimate Masters (UMA), collector number 213. Current market price: $0.07 (foil $0.39), TCGplayer market prices via Scryfall.
({U/B} can be paid with either {U} or {B}.) {3}{U}: Target player draws a card. Activate only as a sorcery. {3}{B}: Target player discards a card. Activate only as a sorcery.