f4f4f4f4f4f4f4f4 , 5 hours ago

Let’s just say “many!” The game is also proven Turing-complete so you can build a general-purpose computer within it, if you like.

My quick description of MtG to interested non-players: “One of the original CCGs, created by a math professor, like chess but you build your army from a pool of tens of thousands of pieces which is then randomized. Richard Garfield somehow patented turning cards sideways. 😅”