What about people using their tempbrick to annoy you by moving it back and forth?
You could also use this
Make a client sided one too?
You can't
You can have it clear your own ghost brick every set amount of time by telling it to use the server command to clear your ghost brick.
*duplicates skyscraper*> Pulls out another tool> Begins maneuvering ghost brick*ALERT: All ghost bricks have been cleared*FFFFFFFFFFFFFFFFFFFFFFFFFFFFF FFFFFFFFFFFFFFI'd just ban them...