Eternal Servitude is a rare Priest spell card that belongs to the "Knights of the Frozen Throne" set, which was released on 10.08.2017 and is one of initially 135 cards. The artist of this card was Zoltan Boros, who also made 245 other artworks for Hearthstone.
The flavor text of the card is the following: What do you mean I don't get overtime pay for this?!
The card is easy to memorize with 90.55% of correct quiz questions.
