HeroClix ID Card

From publisher's comprehensive rulebook:

Heroclix ID cards show that a character on your force has a special contact within a larger organization that may be able to

temporarily help. Many, but not all ID cards say they are “Unique”, and therefore only one ID card with that set symbol and collector number can be added to your force. When adding an ID card to your starting force, you must also add an associated ID character to your Sideline. [ID cards have a cost of 5.]

Here is the text of ID cards:

Inspiration: “A specific effect that varies from ID card to ID card.”

Setup – At the beginning of the game, choose a character on your sideline with a name or real name matching this ID Card and turn it to a starting line. This character is called an ID Character. You can’t have more ID characters on your force than you have characters placed on the map at the beginning of the game. (If the card is Unique, it will say so here.)