Glacial Mysteries is a epic Mage 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 Evgeniy Dlinnov, who also made 33 other artworks for Hearthstone.
The flavor text of the card is the following: The secret is in the frosting.
The card is on average to memorize with 89.6% of correct quiz questions.