Cataclysm is a epic Warlock spell card that belongs to the "Kobolds & Catacombs" set, which was released on 07.12.2017 and is one of initially 135 cards. The artist of this card was L. Lullabi & K. Turovec, who also made 120 other artworks for Hearthstone.
The flavor text of the card is the following: RUN FROM SKY CANDLES! THEY BURN! RUN!
The card is easy to memorize with 91.36% of correct quiz questions.