Do you plan to make an actual game or are you making mockups for fun?
Make the Warren Buffet card in a very limited edition like the MTG Black Lotus. Then in 10 years, it will cost 1 Bitcoin - a consolation prize for the FUDders
I do think this is all just a parody for the things that happened back in 2018. Actual game have a difficult mechanics that would needed to be considered like the different effects of cards. Got me there with the MTG Black Lotus, that is the most expensive card in the history of trading cards, if OP wants to make one, make it an ALPHA version haha.Make the Warren Buffet card in a very limited edition like the MTG Black Lotus. Then in 10 years, it will cost 1 Bitcoin - a consolation prize for the FUDders