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Are card games even a thing in gamejams?

And I mean, it's just kind of a design/idea of a game. It's hard to see it as an actual game. 
As much as I love the visuals, you're a skilled artist, without a doubt, I don't think this jam is the place to show these off. Maybe I misunderstood the rules, I just never seen anything like your entry in a gamejam. If you made something like hearthstone/solitare with these I'd be totally on board, it's just weird to see a .PDF in here o.O

A lot of jams actually facilitate physical games now.