User blog comment:WeissSchnee/Help Regarding Semblances/@comment-13488655-20140127065116

Reflect sounds like a pretty good semblance and (in my opinion) seems close to canon.

Gravity was already rejected.

Shift could work, but so far were not sure if the Grimm are affected by distortion attacks.

Edge also seems pretty good, but It would have to be explained in more detail.