In the main mode of Vanguard play for the Premium and Premium formats, Clan Fight, decks can only be composed of cards from one clan, with some exceptions. Additionally, all clans are associated with a nation, one of the six countries or continents of Planet Cray, the setting of the Cardfight!! Vanguard universe. All cards have an original clan, listed in the bottom-right corner of the card above its race. Clans are defined by their different themes and focuses for example, Royal Paladin is a clan composed of holy knights focused on calling allies, while Kagero is a clan composed of fiery dragons and dragon knights focused on retiring the opponent's rear-guards. Within the card game, they are the primary determinants of the structure of a deck. 'Clans' (クラン Kuran) are the factions of Cardfight!! Vanguard.
