I have a few suggestions.
Senju: Im not sure what you will name it, but the Senju clan can have a jutsu that is an imitation of sand tsunami and seedling ferns. The jutsu is basically you summoning tree roots. however, it is up to you weather it should be in a straight line or in a circle with you in the epicenter. So basically when an enemy walks into it they can be crushed by the trees roots.
I was a GM for Untamed's version and I helped him create an Aburame clan, if I work on re-coding it and fixing the skill tree can you integrate it into the game?
This is all i have so far, im pretty creative so i should have more ideas in the future.
---Tre---