Can there only be 1 image for all cardbacks?

[gitHu6-newb]

Awesome job making this! I'm having lots of fun playing with it. Is there a way to have more than one CardBack for different decks? As I understand it, the CardBackImageUrl is the only pic for a cardback, and acts as a global back image for all cards. Is there, or can there be, a way to have another image for all cards of a certain SetId?
Many thanks!

Describe the solution you'd like
To be able to see multiple decks on the table with different cardback pictures

Describe alternatives you've considered
i dunno, i'm a newb

Additional context
Add any other context or screenshots about the feature request here.

[davidmfinol]

Currently, only 1 card back is supported, but I do want to add support for more in the future!