E-ink playing cards

Wyldcards are small plastic cards with e-ink screens (like a Kindle). When placed onto a plinth, the image on the card can be changed by a hidden computer. The cards also contain a memory chip, so they can store stats, moves, and keep changes and status effects from one game to the next. Plug your plinth into your friend’s and play against them.

Ooh, I like this concept very much.