![One of the puzzles in Dr. Boom's lab got broken by leper gnome revert. You'll always be 3 health below lethal. : r/hearthstone One of the puzzles in Dr. Boom's lab got broken by leper gnome revert. You'll always be 3 health below lethal. : r/hearthstone](https://external-preview.redd.it/b9YYJtxqpjBaTxHG4AtA4-IT7XcTH4Z5YnnWZOYyU78.jpg?width=640&crop=smart&auto=webp&s=a178fac6e819344d7e4bc85951e2166990636a64)
One of the puzzles in Dr. Boom's lab got broken by leper gnome revert. You'll always be 3 health below lethal. : r/hearthstone
![We thought making an 8 mana spell cost 0 would be fine" -- Me, looking all over for the counterplay. : r/hearthstone We thought making an 8 mana spell cost 0 would be fine" -- Me, looking all over for the counterplay. : r/hearthstone](https://preview.redd.it/we-thought-making-an-8-mana-spell-cost-0-would-be-fine-me-v0-8s23qwxuul5a1.png?width=640&crop=smart&auto=webp&s=152ba2c7cca64f90341a77f0ae1469970eee06a6)
We thought making an 8 mana spell cost 0 would be fine" -- Me, looking all over for the counterplay. : r/hearthstone
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![Solution Puzzle Lab Mirror: Three Odd Yetis - Test Subject (8/8), Hearthstone Boomsday [UPDATED] - YouTube Solution Puzzle Lab Mirror: Three Odd Yetis - Test Subject (8/8), Hearthstone Boomsday [UPDATED] - YouTube](https://i.ytimg.com/vi/0bkfYSVq138/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ==&rs=AOn4CLAfUNBfiS4-HqKFjGWH6HCiS4KKXg)
Solution Puzzle Lab Mirror: Three Odd Yetis - Test Subject (8/8), Hearthstone Boomsday [UPDATED] - YouTube
![Solution Puzzle Lab Mirror: Three Odd Yetis - Test Subject (8/8), Hearthstone Boomsday [UPDATED] - YouTube Solution Puzzle Lab Mirror: Three Odd Yetis - Test Subject (8/8), Hearthstone Boomsday [UPDATED] - YouTube](https://i.ytimg.com/vi/NFlqz6CfV84/hqdefault.jpg?sqp=-oaymwEiCKgBEF5IWvKriqkDFQgBFQAAAAAYASUAAMhCPQCAokN4AQ==&rs=AOn4CLCm1wpWbzZfK_V6Gy__GGoLzatsCw)