I've been playing KitKatz control warrior all season. The only change I made was to sub out one Acolyte of Pain and the Faceless for 2 Blood Knights since I was running into SO much Zoo and Paladin Shockadins. I don't miss the one Acolyte at all and the Faceless is hit or miss. The games I miss it I don't need the Blood Knight at all but the games I need the Blood Knights, they shine. Nothing discourages Zoo more than a turn 1 Argent Squire when I coin out a Blood Knight. They have a really hard time dealing with a 6/6 that early in the game and the trades almost always benefit me.
I've been bouncing around rank 5 lately and just can't get anywhere. I'm still seeing aggro but not as many Divine Shields so it's probably time to swap the Knights out again. The biggest problem is once you hit rank 5ish, the days of easy wins against Aggro (which Control Warrior shines against) are mostly over. It's a LOT of control decks and some are very tough match ups. Here's my thoughts:
Hunter: Good match up. Especially the face hunter. You take a sickening amount of damage early on but they run out of steam and you can burst them down while maintaining health with Shield Block and Armor Up.
Paladin: Another good match up. I only saw one control paladin and he destroyed me but 99% of them are Aggro Paladin and as long as I mulligan for early removal, they run out of steam. Blood Knights rock here but Divine Favor is annoying as fuck.
Mage: I'm favored against all mages. Freeze Mage in particular is a breeze. They rely on stalling and bursting you down with Alex but by the time she comes out, I have a TON of armor so it's easy to remove her and keep hitting the Mage.
Rogue: Miracle is a very even match up. It all depends on my card draws and theirs. I've found the best thing to do is to try and keep as much armor on me as possible while putting on some pressure. Easier said than done however. I'd say I win about 50% of these games.
Priest: I'm heavily favored but I HATE priests. I just despise them. I can't stand the philosophy of using your opponent's cards against them. But I've learned the current versions of Priest don't tend to run Mind Control any more so I'm more flexible with my big drops.
Shaman and Druid I hate. Both come down to who gets the better cards first. I have always hated Feral Spirit. Even with Overload, for 3 mana it's just really hard to deal with two 2/3 taunters.