How to ignore automations when a card is mirrored to another board?

[Line Bering Larsen]

I have created the following automation on all cards added to a specific board: 

"when a card is added to the board by anyone, rename the card to "{year}XX{cardnumber} {cardname}""

But: When I mirror these cards into other other boards, all content / info in the cards disappear?

How to e.g. make an automation, that "ignores" mirrored cards?

[Mike - Dreamsuite Consulting]

When a card with a name not starting with "https://trello.com/c{*}" is added to the board...