The trouble you're having is that the Move or Rename a File action does not support wildcards.
For that you have to resort to an Execute a Shell Script action.
Here's a basic example:
Personally I would do all of this in the single Execute a Shell Script action, but I broke it up to make adding paths easier for people unaccustomed to the shell.
[Moderator: Fix typo. "%Varible" should be "%Variable"]
Peter, this is easy to write, but I wonder how scalable it is.
Any idea about the performance for 100 items? for 1,000+ items?
Probably about 50+/second.
The OP showed a folder with a dozen items - fast enough for that.
Thank you very much for your answer!