I applaud all your hard work. It looks like it took forever. And please take no offense but, I think this set is terrible. I mean just awful....
That being said....you do have most of the elements of something that could be quite marketable. And I am being serious. Very serious.
Ditsy 17-22 yr old girls.
Think candy, think girls.
Like the zombie teen high girl toys, but with candy and not zombie crap.
The mafia thing is not working. They look really corny. Mafia is supposed to be tough, not cartoony.
But my friend you are in luck. You have a great idea waiting to be fleshed out.
The colors of the cards should be variations of Mike Caro's 4 color deck. (the pink and light blue are great) The yellow is impossible.
Keep the swirly crap on the suits though. That looks cool
But make the characters hot disproportionate chics! Pinup, cupcakey chics.
Meet your new Q of hearts:
shit like that.
Walk down the girls toy aisle at target, get ideas.
i typed girl shit into pinterest:
https://www.pinterest.com/search/pins/?q=cartoon cupcake candy pinup
the mother load.
You will probably need hot candy dude characters too for the Ks and Js. No ideas for you there. But this should give you a start.
I only ask 2% of your profits...lol