Roll the Bones is a rare Rogue 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 216 other artworks for Hearthstone.
The flavor text of the card is the following: Call it: Heads or Tailbone…
The card is easy to memorize with 95.65% of correct quiz questions.