Stacking damage is doable without losing so much utility. Check out my Hail Mary team.

http://forum.naruto.oasgames.com/en/forum.php?mod=viewthread&tid=2409

I still have a combo-immune tank, debuffs, interrupts, target focus, multiple first turn options to keep my opponent guessing and my options open, and shields covering most of the team.

As opposed to your team where you have a healer for squishy people, no true tank, and chakra problems turn after turn. Sasuke isn't even efficient here because only two people are lightning. If he were with Asuma it would at least be no big loss. At level 55 you also get access to an awesome swordsman buff so it's even nicer to pair them.