Quote Originally Posted by Talic View Post
However, with a feat (Metamorphic Transfer), Metamorphosis can grant Supernatural abilities. The potential for abuse is greatly magnified by this.
True, but that's a problem with the feat, rather than the power. (Not that that isn't broken too, but very slightly less so than Polymorph.) As Lycanthromancer mentioned, there's a similar feat from Savage Species that works for any kind of magical shapechanging.