Hearthpwn

Wadup! I've been experimented with some of decks to beat this boss, and i find out that Fatigue' ing out this guy is pretty easy with many armor and removal spells. I take Sjow's C'Thun warrior and beat this boss in second or third try. After that i cut some usless cards for this match and add some "armoring up" and removals. 

Main strategy:

Try to not attack with your minions, when you know he got a Flame Wreath. It's Pretty bad, cause you let him burst you down. Just ignore his small minions or beat em with removals or weapons. He also got 2 Counterspells , so be careful and play around it. 

Try to take Justicar Trueheart as fast as you can and start to Tankin up. 

Always better to save Ancient Shieldbearer + Brann Bronzebeard combo than use it separately. (Although 10 armor is pretty good too )

C'Thun also is big threat for him, cause he gonna use all removals to kill big body from board. It's very cool for us.

In the end you wanna see something like this:

P.S Sorry for my English. If you got any questions, add me on EU server: pizzaburger#21904