You can try take a look at what BT are coming up soon.

Currently now, most of the EDO ninjas BT are coming out soon.

From there you can make your decision to draw them or not. GNW or EDO treasures.

In terms of long run, these draw treasure ninjas usually not fully used in LU or team battles but mostly for solo play.

Such as arena, or the Infinite challenges. Example, Temari GNW is one of the best ninja for Mystery Infinite.

She is a good ninja to invest in if you dont mind, she is also good for the upcoming Standard Atk Infinite.