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That is quite awesome. Those movies are legendary and their stories are so unique. You may have to add a doorway or stargate type of entry between world created. 

As for the Cards perhaps this can be a collaborative project for those who play. They draw out their weapons and their crystals.  

What did you find that made up the world of Dark Crystal? Are you speaking of the movie amd series Dark Crystal? 

This is an awesome way to play solo. I have a desire to explore worlds I know from books and fight the enemies of the characters. This helps me learn to wrote out my own game. Also you may also reccomend a tarot decks with Crystals and other decks that have places. There are many artist on deviant art conventions that may be for hire to make you a deck. Good luck.