So i just hit lvl 70 and want to get a better line up. Any help would be appreciated. I'll list what ninjas i have so far.

4*

Sasuke, Haku, Hinata, Kakashi, Zabuza, Suigetsu, Karin, Kankuro

3*

Naruto, Shizune, GNW Shino, Kimimaro, Kiba, Guy, Baki, Tobi, Chiyo, Kabuto, Jugo, Neji, Sai, Asuma, Kidomaru, Jiryaiya Sannin, GNW Choji

2*

8 Inner Gates Lee, Anko, Tayuya, Lee, Temari, Shino, Shikamaru, Tenten, Ino, Choji, Jirubo, Sakura