Just a few I’d like to see. Hell, may as well open up all race/class combos.
Undead - Druid, Hunter, Paladin (Kirtonos vampire druids, Nathanos rangers, and Argent Forsaken)
Tauren - Paladin, Priest (Sunwalkers and Seers)
Troll - Druid, Warlock, Paladin (Dinomancers, Demoniacs and Prelates)
Orc - Mage, Priest (Pyromancers and Acolytes)
Gnome - Shaman, Priest (Tinkers and Medics)
Night Elf - Paladin, Mage (Moon Knights and Highborne)
Dwarf - Druid, Shaman (Wildhammer)
Human - Hunter, Shaman (Outdoorsmen and Medicine Men)
Bonus: Tauren rogues for the lulz
Edit: Merry Christmas Azeroth!
If there is a next season(unlikely as servers are going to be abandoned going into AQ), they just need to balance classes, and actually add a new raid, zones, and dungeons. That’s really what most players want.