well that maybe so but i made this a few years ago
https://rapidshare.com/files/161439546/Yugioh_DUEL_.zip
i am not going to use it in my game but i will make a better one that
you can actually lose life points and so on.
If you want to make a Yu-Gi-Oh! game, you're better off using a maker which you can actually use a scripting language in, such as RMXP or Sphere. You won't be able to create a good card game system with just events...