Its like literally the bottom of the list of things to sort out if society began to transition to a new type of economy/society, but I spend way too much time thinking about it.
Would physical TCGs even exist at all? Would it be like Triple Triad shit where every community has its own fucked up version of the rules? Who makes new cards, and how do we agree what is and isn't legit? Do we like, go on the internet and elect the Secretary of Yugioh?
Fuck, man. A lot of my hobbies are hard to imagine outside of a capitalist system because I have no real idea how hobbies work outside of the one economic system I've ever existed in.
It's not surprising, netrunner somehow managed to get killed twice, and even at it's peak it didn't exactly have the largest marketing budget, much less right now as a volunteer run project.
Also it's rules complexity (relative to magic) always made it kinda a hard sell, although I will maintain that it's Richard Garfield's magnum opus.