I created cards “object”. Only 7 cards are produced for the moment. I believe that it’s enough to make games tests. Anyway, I do not believe that it’s a good idea to have it too much in game. That would risk to weigh down too much the play. Here is an example of a card object:

Updated on my list of ideas. I blocked the ideas that I did not retain. Maybe not definitively but at this stage, these ideas makes that to weigh down the play which I want simple on the base.