Each card with the Enhance keyword has added the indicated bonus icons to random cards in your deck. (This has already happened during the deck generation process.) The enhance keyword has no effect during gameplay.
Example: Mutant Cutpurse has “Enhance ”. As a result, three bonus icons have been randomly added to cards in your deck. The Mutant Cutpurse itself gets no special ability from Enhance during gameplay.
Bonus icons that have been added by Enhance can be identified by the graphical element shown here: