The ruling that I use in the Welsh Weyr league is that 1 Big Guy is allowed, but no other allies.
This is quite unpopular with some of the players as there is Human Coach who wants to take Wardancers. Personally I think that allies are an easy way out. The "official" teams are balanced nicely, and the teams are supposed to have their individual strengths and weaknesses.
However; it does make sense for a "traditional" Undead team to be able to take a Vampire, as I don't think that they can have Big Guys and the Vamp would technically be an ally.
Oh well, just some random thoughts that someone might be able to help out with!
Cheers
