Kezan Mystic is a rare neutral minion card that belongs to the "Goblins vs. Gnomes" set, which was released on 08.12.2014 and is one of initially 123 cards. The artist of this card was Jakub Kasper, who also made 105 other artworks for Hearthstone.
The flavor text of the card is the following: They pretend to be wise and enlightened, but they mostly just hate to be left out of a secret.
The card is on average to memorize with 88% of correct quiz questions.