find all the valid cards on this deck,
       filtering out cards which don't play nice with deck issue mode

def find_all_valid_cards(provider: Provider, deck: Deck) -> Generator:
    '''find all the valid cards on this deck,
       filtering out cards which don't play nice with deck issue mode'''

    # validate_card_issue_modes must recieve a full list of cards, not batches
    unfiltered = (card for batch in get_card_bundles(provider, deck) for card in batch)

    for card in validate_card_issue_modes(deck.issue_mode, list(unfiltered)):
        yield card