@Lurie there's no way to do this automatically without using the API.
Butler is a good choice for this, but as Trello just acquired Butler they're currently working on integrating it and not accepting new users.
I built a free/open source API tool called Trellinator that allows this type of thing to be done relatively easily using the Trello API executed by Google Apps Script:
If you had to thrive a new habit during a lockdown, what would it be? Trello
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