Not going to say that you’ll climb the ranks rapidly with this deck, but at the same time, it’s held a 50% win rate at rank 5, so it’s not horrible either. Mostly a fun deck, it’s a modification of other treachery decks I’ve seen. I like having the double Gnomeferatu for another couple of chances to take out a necessary card.
Main idea is to get Rin, the First Disciple out and empty their deck, while trying to also deliver a crushing loss of hand cards with a Treachery/Howlfiend combo. Most of the time this is done via Defile.
https://hsreplay.net/replay/xpdrzReeqPnSsNNwrY7YFn