This is my go at building a Ninjas deck for Commander. It focus on a lot of evasive creatures with CIP abilities that slowly gains advantage with card draw, and reusing of abilities after bouncing a creature most of the time with Ninja creatures.

I love ninjas. The deck uses 7 ninjas (10 total exist). Even if the ninja is destroyed before damaging an opponent, this usually means I will reuse a useful ability of the creature that I bounced.