Dour Port-Mage is a rare Creature — Frog Wizard card from Bloomburrow Promos (PBLB), collector number 47p. Current market price: $3.39 (foil $4.11), TCGplayer market prices via Scryfall.
Whenever one or more other creatures you control leave the battlefield without dying, draw a card. {1}{U}, {T}: Return another target creature you control to its owner's hand.