Hearthstone: Hero Music - Sylvanas, Ranger General
Directly from the Hearthstone game files! Sorry I couldn't find the original art (although this image is similar and, frankly, better looking than the one used in-game).
Composer: Hillel Teplitzki, 2022
Music, art & logos used in this video belong to Blizzard Entertainment.
Play the game for free!: https://playhearthstone.com/