Learn everything about creating and managing your decks.
A valid deck must contain at least **20 cards**. Custom decks are limited to exactly **20 cards**. In "Run" mode (during a game), your deck can grow up to **30 cards**.
You can have a maximum of **4 copies** of any card in your deck. Certain powerful cards are **Unique** and can only be used once per deck.
In the main menu under "Deckbuilder", you can create and save your own decks. You can then select these when starting a new game.