Explosive Runes is a rare Mage 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 Matt Dixon, who also made 295 other artworks for Hearthstone.
The flavor text of the card is the following: Sometimes it's safer NOT to read the warning signs.
The card is easy to memorize with 96.53% of correct quiz questions.
