Deck
From Castle Wiki
A Castle Deck is an artwork, game, or other piece of interactive content on Castle. Decks are composed of cards, and controlled by actors and rules.
How to make a new Deck
To make a new deck, navigate to the Create tab of the app. Select "New Deck" on the top right corner. You'll be presented with a list of kits. Select any of the kits of start from a blank deck to enter the editor.