Streets of Gadgetzan Jaraxxus lock

Changes from Jaraxxus lock: -1 Shadow Bolt -1 Mortal Coil -1 Refreshment Vendor. Shadow Bolt is replaced with Kabal Courier (Warlock) which is a proactive play that can help a lot in mathcups mid game. Mistress of Mixtures is cheap healing, N'Zoth, The Corruptor value and an aggro counter. Acidic Swamp Ooze and Mortal Coil  is usually good, but there is probably going to be less weapon warrior and shaman so it may be out for 2nd Mortal Coil,  Friendly Bartender, 2nd Infested Tauren or 2nd Kabal Courier (Warlock). 

(I think 2nd coil or 2nd kabal courier is best)