I caught your idea, and the level of work required to pull it off would be insane.
Don, →
Vlad, I think it can be crazy but...
... the utility of the decks is reduced if they aren't available in backs of different colors.
My friend, try do not look at this project as a magician 
Are you going to perform with them? I doubt you’ll reject their other decks with fully custom artworks only because of the same back design. You are cunning. 
I have to think that you didn't understand my idea.
Then you have to be wrong.
Than you are an egoist I propose hard variant which can potentially please more people and count their tastes. You want the simplest variant which will please you and also propose to damn others tastes. 
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p.s.
I am sure Vlad & C° will find their best variant.
In the meanwhile - James White - King of Clubs - nice (but Edward Norton will be better as King of CLUBs ["s" - second in abbreviated form])
cun·ning (k
n
ng)
adj.1. Marked by or given to artful subtlety and deceptiveness.
2. Executed with or exhibiting ingenuity.
3. Delicately pleasing; pretty or cute: a cunning pet.
n.1. Skill in deception; guile.
2. Skill or adeptness in execution or performance; dexterity.
I guess I'll take your remark as a compliment, despite that I don't think it had a lot to do with the concept at hand. And I'm not looking at this project as a magician. I'm looking at it from the point of view of a deck designer and creator. I'm not one myself, but I know enough of them to have an idea as to what goes into the process of producing a deck of cards. There's also the perspective of a deck manufacturer to consider. I don't think there's been a project like this as a for-sale idea. The closest I've seen would be promotional giveaway cards representing anything from anime series to tobacco products - collect them all and have a full deck.
You proposed selling a deck of playing cards by the individual card. In other words, making the job of selling that deck at least 56 times more difficult. Let's not even take into account the more automated processes involved in making a deck of cards, like collating, sealing and wrapping.
I told you that the level of work would be insane. Simply put, if you PAY people to do this work, the deck would end up costing a small fortune, because people don't generally work for free. You'd get the occasional oddball purchase, but financially it would fall flat on its face. And I don't see a lot of people stepping up to volunteer helping someone make the process of buying playing cards ridiculously more difficult and labor-intensive than it has ever been in the past, since the dawn of the printing press and machine-made cards.
Let's also not forget the perspective of the playing card buyer. Most people want to make a simple, single decision - what deck will I buy. You're thinking of taking this simple act and changing it from a single decision by adding 52 more decisions on top of it - which ace of spades do I want, which four of clubs, which jack of diamonds, which nine of hearts, ad nauseum. It's the equivalent of ordering a beef stew and being asked to go into the kitchen and specify exactly which cubes of beef, cubes of potato, slices of carrots, pieces of onions, drops of gravy, etc. you want in it. Only the most anal-retentive micro-manager would be interested in even considering such a process just to order a meal or buy a deck of cards.
I'll say it again: you go ahead, implement this idea for a concept deck of your own with a large number of artists creating 104 or 156 different card designs, and you tell us just how easy or difficult it really is. I don't think you'd even get out of the planning stages before realizing what a humongous boondoggle the entire enterprise would be and changing how you plan to make your deck(s). If it's such a wonderful idea, perhaps you could steer it into becoming a reality.
Fortunately, I'm thinking Vlad isn't too hot on the idea, since he hasn't said a word about it. It gives his deck a far greater chance of being a success.
