Echo of Medivh is a epic Mage spell 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 Alex Garner, who also made 16 other artworks for Hearthstone.
The flavor text of the card is the following: Medivh's echo haunts Karazhan, eternally cheating at chess and Hearthstone.
The card is easy to memorize with 95.96% of correct quiz questions.