In theory you could craft a deck specifically to counter Handloc... or Murloc. I've considered doing so. The problem is that your deck would be practically worthless against anything that wasn't the deck you crafted against. I mean, I could do better against Hunter and Murloc with a few card changes, but then I'd lose even more to Druids, Warriors, Mages, Shamans, and other Priests. Though the same deck would likely work against Hunter.
Handloc wouldn't be that hard to craft against, really. Sunfury, Watcher, Owl, Spell, Argus, PW:D, Holy Fire... don't need Holy Nova, toss in your own giants, two mind controls, Sylv, maybe Rag, I doubt you need smite... probably include Yetis and Drakes and Alch, then don't load the board over much... probably include Thoughtsteal....
I'd have to look at it, but I'm sure you could craft to JUST beat that deck, but you can see, it would be garbage against virtually any other deck.
Edited by Musikaman on 3/19/2014 8:24 PM PDT