To add some context, you can view the design of the new debit card (it’s not that different) at the bottom of this Wiki.
I’m happy with that design tbh but I’d be curious to hear which ideas everyone else comes up with…as long as it’s not just changing the card’s colour 
I do like what Square’s done with their cash cards which are completely blank on the front, apart from the Visa logo & a drawn design that the user submits…
http://mashable.com/2017/06/28/square-debit-card-art-round-up/#Sd6iX66KjmqP
