This deck is based around controlling the board long enough to get the 6 card Mecha'thun combo off at the end.
Acolyte of Pain -> Dyn-o-matic (8 mana, 3 cards)
Acolyte of Pain -> Warpath (x2/x3) (7/9 mana, 2/3 cards)
Weapons Project -> Harrison Jones (7 mana, 3 cards)
The OTK combo
The last 6 cards in your hand to pull the combo off are: Inner Rage (x2), Whirlwind, Malygos, The Boomship, and Mecha'thun.
Play The Boomship to get both Malygos and Mecha'thun on the board -> Inner Rage both Malygos and Mecha'thun once -> play whirlwind.