Dour Port-Mage is a rare Creature — Frog Wizard card from Bloomburrow (BLB), collector number 47. Current market price: $2.99 (foil $3.66), 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.