Well, you'll have to excuse me for going the obvious route, but MEDIC!

And no, it is not Heavy yelling for a medic.

Why would Amascut have a custom tome for Blu Medic though? A don't know, maybe a common interest in anatomy and dissection and a disregard for appropriate medical practice?

Though probably, Amascut would root for the red team. It's a matter of principle.