I planned on doing a tutorial page at the start of the game that explained the basics, but I still had too many bugs on the deadline so I had to leave them to be figured out.
When i first finished a playable verion of the game I realized it was just not fun, and part of that is that it could be easily played around just clicking on a random card in the top. Thats when i came up with the mummy effect (if you didnt realize, right click on a card shows its effect) which forces the player to play around its effect. I originally made a list of around twelve card ideas but then i realized most of them didnt provide too much gameplay.