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Singleton, Single Type, No Rulebox cards. Black and White on.
The card pool defines which cards are legal in this format. It starts with a search query against all cards in the game, then optional include/ban lists refine the result.
format:expanded-14 NOT type:ace-spec, NOT type:ex, NOT type:pokemon-v, NOT type:vmax, NOT type:gx, NOT type:BREAK, NOT type:prism-starValidation filters are extra deck-building rules beyond the card pool. They restrict which decks are legal — for example, limiting the number of cards of a certain type, enforcing a star budget, or requiring a specific theme deck.
Distinct energy types allowed: exactly 1
The following must NOT pass:
Rule: max copies per name
Rule: basic pokemon