Classic In your opinion what is the best race/class to boost to 120?

Hello, I know there are tons of players out there with this same exact question. So since there is a 120 boost included with shadowlands heroic and epic edition, I was looking to see your opinion on what class and/or race they should boost. Please include an explanation for your answers thanks! via /r/wow https://ift.tt/2TV7ib3