Harmonic Pop is a rare Priest spell card that belongs to the "Festival of Legends" set, which was released on 11.04.2023 and is one of initially 145 cards. The artist of this card was Vika Yarova, who also made 48 other artworks for Hearthstone.
The flavor text of the card is the following: Here with supporting vocals: Snap and Crackle!
The card is on average to memorize with 90% of correct quiz questions.
