Displace Modifier for Grease Pencil

My proposal is to add the same displace modifier we use on normal mesh objects to grease pencil objects. Giving grease pencil the ability to procedurally deform grease pencil vertex groups or even the whole object at once. Also, by allowing the displace modifier on grease pencil to use an object as coordinate, by animating the coordinate object could have cool animated distortions without losing the masking ability of grease pencil. I believe this sort of ability would be of great use for motion graphics as well as many other uses. ^^