Ezio FuA team

Hey guys!

So, I finally got FP and now I started playing her with Ezio for a FuA team with Fatutu and Kassandra (got Lopera by accident but havent lv up her yet).

I am a little confused about how Ezio's kit works here tbh. I also dont understand why he sometimes attack after another unit attacks or how to trigger that.

I tried searching some guides but Im still a little confused. Can someone please explain to me how to use this team like I'm 5?

Thanks