Autodefense Matrix is a common Paladin spell card that belongs to the "The Boomsday Project" set, which was released on 07.08.2018 and is one of initially 136 cards. The artist of this card was Zero Yue, who also made 4 other artworks for Hearthstone.
The flavor text of the card is the following: We call it the bubble machine.
The card is easy to memorize with 92.86% of correct quiz questions.
