http://pokebeach.com/tcg/legend-heartgold-and-soulsilver-collection
The link above is a guide on what is coming out in the next set. You will find DCE in the coming set too which answers your question. Isn't the next set is going to be released in February? Tested the decks that can be used...
This is a network for those who wish to test their decks for Worlds. It maybe too soon but Worlds is not to far away. Anyone interested can join the network as follows:
Network: Worlds Testing
Password: not joking
Also, do not join if you do not wish to play.
https://secure.logmein.com/products/hamachi2/
GO to this website and download Hamachi (Free Version). Once you finished downloading it, join any networks.
To start a game, first you must decide with the person who is going to play as host. Send the messages through Hamachi of course.
Then...