There are several synonyms for the phrase "most rearranged". One alternative could be "most altered", which suggests changes made to an original design or plan. Another option is "most reorganized", which implies a restructuring or reordering of something. "Most revamped" could also be used, indicating a significant overhaul or update. "Most shuffled" is another synonym, which suggests a rearrangement or repositioning. Finally, "most transformed" could be used to describe something that has been changed into something completely different from its original form. All of these alternatives convey a similar meaning to the phrase "most rearranged" but offer a variety of subtle differences in connotation.