Deckbuilding rules:- Any mark- At least 50% of your cards have to be from your element- Regular players can use unupgraded cards only- Generals can use up to 6 upgraded cards (unupgraded cards taken from the Vault are transformed into upgraded ones)- Lieutenants can use up to 3 upgraded cards (unupgraded cards taken from the Vault are transformed into upgraded ones)- You cannot change your deck until the round is over