i m in the same boat lvl 71 with no event ninjas.

so m using LM, iruka, asuma wb and sasuke (breakthrough almost max) . 2,4,3,3,3 shark

* * *

lm iruka *

asuma sasuke *

other is FM, sasuke(breakthrough),iruka,tsunade(breakthrough try for 1st skill max and 2 time chase and chaos) 2,2,1,2,1 chameleon

***

fm sasuke *

iruka/itachi anbu tsunade *

Also the second one(fire main) i saw it from youtube.(https://www.youtube.com/watch?v=GNvbIrNKlJY)

and if u want iruka it is quite cheap i bought it for 28coupons per frag in treasure sage.