Black Cat is a common Mage minion card that belongs to the "The Witchwood" set, which was released on 12.04.2018 and is one of initially 135 cards. The artist of this card was Jakub Kasper, who also made 92 other artworks for Hearthstone.
The flavor text of the card is the following: She's so odd, you can't even.
The card is easy to memorize with 94.44% of correct quiz questions.