Barnes isn't even good in N'Zoth decks. You don't need an epic fucking N'Zoth turn, if you get a couple deathrattles back and they don't have mass removal or a way to push lethal, you just win. You don't need to get 2 Cairne, 2 Sylvanas, and 2 Tyrion from N'zoth.
and yeah he completely ducks...