Rerolling since the merg SHA or Cleric?

[Skinnah]

Hey guys so Ive always done this since 2010, I have sooo many accounts hahaa but anyways with the merge groups are going to be plenty not forcing you to always solo and with that in mind ive decided to either make a Shammy or a Cleric...what do you guys think will be needed more? what one do you think I should choose and why? Ill be honest I want to play them both but will only time for one and cant pick! help me out community! what one do you think? cheers guys!