Ah.
Well, it varies from what you are looking for.
Thematically, the most fitting Order would be Lycan.
If the transportation later turns out to be intentional, then said summoner would have chosen the most useful person available, in this case one from the Order of the Ghostslayer.
I myself...
Well, whatever the case, you seem to be on a good track.
It's nice to see Viserys adjusting so well to life on Equestria
I guess one of the problems with Daenerys are going to be magic bursts... Assuming kirin foals get those.
Anyway, the real problem will be if and when Rhaella decides it's...