Maazie said:Depending on how your friends/players go by the FAQ a Horned One is awesome on a Scar-Vet.
Eladimir said:"Q. Does a Horned One count a magic item for rules purposes? Or is it a special type of Calvary Mount?
A. It is only a cavalry mount."
It seems the question is asking which of these two options it is. a calvary mount or magic item.
And the answer is its a mount not a magic item.
Are there any other examples where people have mounts in magic item lists?