Hearthpwn

Hi there!
Before anything else let me answer what you might be thinking! "isn't this thing waaay to too expensive for an adventure?" the answer is definetly yes, but before you go somewhere else, let me say two things first: this deck is completely OP and from a 20 game test it ended in a 20 out of 20 victories without even having to worry, if not convinced because it's still not worth it, let me say that almost every card is neutral and therefore usable not only for the purpose of defeating the Wolf, but also some of them are actually disposable, and I will give you some substitutions possibilities for those that you don't have and don't plan on crafting, of we go!

Recently I've been trying to win karazhan at heroic and find myself in a little bit of a pickle while facing this boss, the suggestions I found weren't really cutting it, though understanding their logic I thought they were on the right way but not quite using the maximum potential that hero power of the enemy offers, thus, I created my own deck and found it so extrememly effective that was also a lot of fun, and decided to give it a go and share it, hope some people can get use from this.

As I said, deck is ridiculously strong and there is almost no card that you wouldn't like to have in you openning hand. However, the only possible exception is Skelemancer which is actually very weaky by its own, nevertheless, if you happen to draw it while having by having Defender of Argus or Abomination also in you hand, then there's no problem about keeping it, since you'll have an 8/8 ready to attack at 3rd turn and that's basically batshit crazy. 
Also, accelerating cards such as The Curator, Master Oakheart and Silver Vanguard are amazing to already have since the start, but since there are many of them you don't have to worry if you haven't, you will absolutely do.

I actually believe there isn't much to say about the strategy of the deck since it almost plays itself and transforms the so called "bad" wolf into a pitiful opponent, but I will explain the logic behind most of the choices so you can make substitutions if you need to.

Master Oakheart makes and a good job bringing creatures with stats over 1/1 which is useful, but the real goal is to bring Twilight Summoner so you'll be soon getting a 5/5 out of it and Silver Vanguard so you can bring any of your big creatures that will grant you and incredible advantage. Sadly, Silver Vanguard is not alone with the 3 attack stat, but I tried to avoid some other useful minions so there's more likeliness of getting it this way, also notice that Twilight Summoner is the only 1 attack stat minion so the only way you don't summon it this way is if you drew it first. Knowing this makes up for some substitutions if you don't have Oakheart, since you can have Big-Time Racketeer with no worries of summoning and absolutely useless 1/1 unless from your hand, in which case comes with the amazing 6/6 it summons from its battlecry. Also since there's no bringing Twilight Summoner this way there's no reason at all to not exchange it forDevilsaur Egg, by the way Nerubian Egg also works as well. Also, it may not be much, but you can replace Cult Apothecary with Antique Healbot which is more consistent healing you.

There are no suggestions for exchanging The Curator and Primordial Drake since they're both amazing in this deck, but I have tested it and though the win rate is a lower, you can still do it, since you have other drawing mechanics and field clears, just a little decrease at the rate of getting them at the right time.

Cards like N'Zoth, the Corruptor(which is not included in my list, but is really strong), Onyxia and Y'Shaarj, Rage Unbound are actually unnecessary, if you have them they're  HUGE powerspikes most of the times, but you can absolutely crush Big Old Wolf without them hands down. Wobbling Runts, Sated Threshadon are also good cards to fill your board, which sinergyzes Cult Master that is absolutely necessary to keep the flow of minions stealing every breath from the hero.

By the way as you may notice just two cards are from rogue class, so its obvious you can play this with actually any other class, however I do recommend Priest so you can heal yourself or creatures to make some trades, but you may try it out with any other and should do the trick.

I think that's it for the deck, hope you have lots of fun crushing Big Bad Wolf, and if you have any feed back I'll be more than happy to know about it, good luck! :D