The Wikipedia section on ablative absolute gives these examples.
urbe captā Aenēās fūgit.
Ovidiō exule, Mūsae planguntur.
īrā calefactā, sapientia dormit.
dominō absente, fūr fenestram penetrāvit.
These (other than 'Caesare cōnsule') seem to fit the mold 'that done' in that we get a substantive followed by a modifier. (Please excuse the terminology if either 'substantive' or 'modifier' is reserved for something narrower or more technical in Latin grammar.)
Am I right to think that 'mutatis mutandis' is also of the same mold, except that the substantive ('mutandis') comes after the modifier ('mutatis')?
If yes to 1, what is motivating the reverse order? That is, why not say 'mutandis mutatis' after all the other examples? Does a rule say, for example, that a gerundive must come second?
If no to 1, how else then should I understand the phrase?
Please give other examples of an ablative absolute made of a passive perfect participle followed (or preceded) by a gerundive, if available.