A Hearthstone mod for Firestone that picks a random skin (from the ones you have unlocked in game) for your Battlegrounds hero.
Just drop the latest DLL into your Hearthstone Mods folder (you need to have installed MelonLoader first)
See https://github.com/Zero-to-Heroes/firestone/wiki/Mods for more Hearthstone mods, and some infos about how to install them.