To see which Cardcast decks are in use for a game, anyone may type /listcardcast. A notice is broadcast to every player in the game. To remove a Cardcast deck from a game, the game host must type /removecardcast 5CODE. To add a Cardcast deck to a game, the game host must type /addcardcast 5CODE, where 5CODE is the 5 character code for the deck. The client UI needs a fairly significant overhaul to properly support these externally loaded decks. Right now, the only way to add or remove Cardcast decks is via chat commands. listcardcast 'Temporary' hacky way of adding decks to the game. This will be fixed in the next update, but that might not be all that soon.)

The only way to remove a Cardcast deck is to make a new game. removecardcast 5CODE (This is currently broken. TL DRĥCODE is the 'Play Code' on the deck's page, or at the bottom right of its overview card. You'll need this to add your deck to your game.

It will give you a 5 character code for your deck.