Arcane Blast is a epic Mage spell card that belongs to the "The Grand Tourney" set, which was released on 24.08.2015 and is one of initially 132 cards. The artist of this card was Gabor Szikszai, who also made 11 other artworks for Hearthstone.
The flavor text of the card is the following: Now with 100% more blast!
The card is easy to memorize with 93% of correct quiz questions.