I mean, if it were me, handgestures would work at the start. But once I noticed them I'd start timing my attacks to when your team looks away to see your command.

*Imogen is crazy, but she isn't stupid. And she doesn't like to fight completely fair.*

...What Flute? I mean, I can play the flute but I don't have one here. I'm also way better at the Ocarina because I've been practicing.