So mech mage is gone.
Secret paladin loses Minibot, muster for battle, avenge, shredder, belcher, and loatheb, so it's gone.
zoo warlock loses nerubian egg, haunted creeper, implosion, and voidcaller
Priest loses zombie chow, deathlord, belcher, velen's chosen, and lightbomb.
Aggro shaman only loses crackle
Patron warrior loses death's bite so it's probably gone.
Control warrior only loses death's bite and shield maiden, so it might still be strong
tempo mage only loses flamecannon, mad scientist, and unstable portal, so it might still be strong.
Face hunter doesn't lose too much, just mad scientist and glaivezooka
Rogue loses oil and healbot, but Miracle rogue could still be strong.