I'd like to be able to schedule Legends. I would group and sort by Legend name, to quickly see which Legends are on which sheets. This would also be helpful when back-checking hardcoded/text view references (which still happens sometimes) or even when just marking up, to see how many different Legends there really are (content that looks the same could actually be in different Legends).
Since Legends are not like regular Views, I assume there would need to be a new "Legend List" command option (similar to View List or Sheet List), because there would need to be a row for each PLACEMENT of a Legend on a Sheet (not just one row per Legend).