Crescendo is a rare Warlock 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 Konstantin Turovec, who also made 143 other artworks for Hearthstone.
The flavor text of the card is the following: The more you flail your arms, the better the orchestra plays! Yup, that's definitely how it works.
The card is on average to memorize with 79.41% of correct quiz questions.
