I’ll preface this with a reminder that looping like this isn’t something we officially support, but there are some best-practices you can use to help with this sort of thing:
Unofficial Variable Loop Rule Best PracticesThat being said, we are considering introducing a first class loop feature and are looking for feedback from the community on what use-cases they are using loops for (in general, event driven rules are preferred, but there are some use-cases where a loop makes sense)