[quote=@Black Keys]
Oh, we aren't allowed to pair with others if we are already in a different pair? And my Caster is just about done, just running it through with a friend of mine who's more of an expert than I am with making Servants.
[/quote]

Yeah, we wanna prevent conflicts of interest. If we can't find a Master for an existing Servant, the Servant's player can make a Master, or I'll look for somebody in my contacts.