Solo adventure, The Boomsday Project, The Secret Lab, 4/4 Dr Boom Board Clear cant be solved.
The solution uploaded by another user:
https://www.youtube.com/watch?v=58ryHbVEOVg
The current live puzzle does not reduce demonfire/defile fully, leaving them at 1 mana. See my side-by-side comparison:
https://gyazo.com/d691cec228385c289d7bd4ba0a6d5a0a
With these spells at 1 mana, this puzzle has no solution.
Yeah, was looking up the same problem and thought I might at least interact with your post in the hope of someone at blizzard noticing the problem and fixing it. Since the nerf of „sorcerer’s apprentice“ the fourth puzzle of the level „clear dr. Boom“ in hearthstone‘s solo adventure, called „the boomsday project“, doesn’t work anymore, due to the nerf stopping „sorcerer’s apparentice“ from reducing the cost of spells below one. An easy way of fixing this problem would be to increase the starting mana of the player to ten as the intended way of solving this puzzle costs now exactly two mana more then before the nerf. I know, you basically said the same, yet I just wanted to point out the problem once more in the hope of someone noticing 