Video editing in FCP X

I'm looking for help with a video project. It requires pathing the mouth from one clip, and using correct sizing, angle adjustment and color correction apply it to a video clip if another person. I need Keyframe editing that looks convincing and works with the concept. There are 6 subjects that will have the alternate mouth treatment over a period of less than 2 minutes. I am hoping that the finished product can be provided as a custom preset in FCPX, so I can just drop it into my project with transferring large video files.