Shatter is a common Mage spell card that belongs to the "Whispers of the Old Gods" set, which was released on 26.04.2016 and is one of initially 134 cards. The artist of this card was Trent Kaniuga, who also made 21 other artworks for Hearthstone.
The flavor text of the card is the following: What's cooler than being cool?
The card is easy to memorize with 93.81% of correct quiz questions.