Impfestation is a rare Warlock spell card that belongs to the "Onyxia's Lair" addition of the "Fractured in Alterac Valley" set. It was released on 15.02.2022 and is one of initially 35 cards. The artist of this card was L. Lullabi & A. Zemskov, who also made 7 other artworks for Hearthstone.
The flavor text of the card is the following: Call the imp-sterminator!
The card is easy to memorize with 100% of correct quiz questions.
