This is my first build post and im just doing it for the sake of it as I saw a post on reddit asking for a Solo viable MF Build.
My main mob killer is the Dsynclone (Cyclone) for around 11k DPS and I use my 13k Dual Strike when im dsysncing so everything catches up.
My MF is 178 IIR and 42 IIQ which on a map run solo I usually fill my invent twice with rares and get around 13-14 rares from Piety.
I'm currently 79 and can solo 73 rare maps with most affixes.
This is my 3rd character now and I have enjoyed this one the most.