Did you ever see a game called Drop Mix? It didn’t have displays in the cards but did sense their position on a mat and react accordingly, and I think that migh

Did you ever see a game called Drop Mix? It didn’t have displays in the cards but did sense their position on a mat and react accordingly, and I think that might be a better interaction model. It would require that everything is really low power so you only need to supply power when changing the display.