The term "not cards" does not actually have any antonyms as it is not a real word or phrase. However, if we were to consider the word "cards," its antonyms might include terms such as "unshuffled," "unplayed," "discards," or "disregarded." These words imply a sense of disregarding or neglecting the use of cards. Additionally, antonyms for "cards" might also include terms that describe other types of games or activities, such as "board games," "puzzles," or "outdoor sports." Ultimately, it is important to clarify the intended meaning of a term before identifying its antonyms.