If this is an Elf, does that give it too much durability? That tribe is pretty savage and the basis for a solid combo deck to begin with. Should it be given encouragement?

I’m wondering if it doesn’t want to be a wizard as well. The additional support could be a problem wide view (does Morningtide cause problems?), but he seems to want to be a part of the Soradyne wizard resource-gathering plan.

Your question is too narrow: Does Morningtide cause problems vs What does this do to the tribe as a whole. Wizards is a fairly new tribe and one that in Modern, especially since it's blue based, could cause tremendous problems-think slow, grinding games where every spell is countered and the opponent has no outs. I realize that the set comes first but in this case, there isn't an overriding thing to insist on a type change and I think restraint is going to serve better than overdoing it.