Hello there! I am sort of mid game and I have a good amount of ninjas with a couple good ones like Sage Naruto and Mei. But I'm not really sure what would be the best here. A new team would be helpful or any other pointers. Also, I would appreciate tips on how to increase battle power and stuff like that. Thanks!

My wind main team

My lightning main team (I was too lazy to switch to lightning main)

The water main team (still to lazy to switch to water main)

All of my ninjas: