I'm neither an optimizer or someone who doesn't care about effectiveness but instead a secret third thing.( Has a deep understanding of the rules and utilized the mechanics of my character to best facilitate their strengths both mechanically and narratively wether those are considered "strong choices" or not)
I went with the first thought I had for this which was the guys' disguises
As for the second thought...yknow that scene in the old voltron show (it's pretty much a meme) where they say "we don't need clothes to form voltron" ? Well my brain went 'make it the boys but "we don't need clothes to defeat shredder" and I cannot stop snickering over this