Hearthpwn

Cobbled together from a very limited collection in order to participate in this.  The supporting cards are a mixed bag, but the key cards are there (just survive long enough to play them... and push c. 10 damage to face beforehand):

Raging Worgen + Inner Rage + Charge (6-mana, 16 damage)

Raging Worgen + Cruel Taskmaster + Charge (8-mana, 16 damage)

Add another Inner Rage to either of the above for 20 damage (same mana cost)

Loosely based on this deck:

• Neviilz's Rank 1 Legend OTK Warrior - I think, but I'm not certain, this was what popularised this particular list (?).  Kolento also took it to Rank 7 Legend.
• Thijs OTK Worgen Warrior
• OTK Worgen Combo Warrior Guide
• Icy Veins Standard OTK Worgen Warrior Guide

See Also:

• Detailed discussion of a similar deck, complete with individual card reviews (useful for substituting)
• Discussion on how to beat this deck.
• Firebat's OTK Worgen Warrior
• Worgen OTK Warrior
• Icy Veins Wild OTK Worgen Warrior Guide
• Tempostorm Worgen OTK Warrior from July Meta Snapshot

My deck differs in that it runs 2x Raging Worgen and 2x Charge whereas most lists run only one of each.

I'm also considering Whirlwind or Revenge (not that I currently have the latter).

My compromises, in more detail (undo these if you can...):

• Faceless Manipulator, Emperor Thaurissan -> 2nd copy of Raging Worgen and Charge (at least this makes it a little more resilient to being milled...)
• Loot Hoarder x2 -> Novice Engineer x2
• 2nd Acolyte of Pain, 2nd Battle Rage -> Gnomish Inventor x2
• 2nd Commanding Shout, 2nd Wild Pyromancer -> Whirlwind (If I had it I'd probably add Revenge instead, in the absence of the original board-clear combo)
• Blood To Ichor x2 -> ?
• Rampage -> ?
• ? -> Abusive Sergeant, Dark Iron Dwarf, Heroic Strike x2 (all trying to either add to the burst damage, make the weak card-draw minions a little more effective or add some burn to make the weaker (Thaurissan-less) combos still effective).
• Subsequently dropped Dark Iron Dwarf in favour of an Arcanite Reaper.  Need more control tools and also a way of pushing more damage to face.  The Reaper is potentially both so it seemed a better fit, whereas the Dwarf is both too expensive to contribute to THE combo and too slow otherwise.

The original inspiration came from this post on r/CompetitiveHS/ (I'm F2P, so always on the lookout for effective budget decks).