"Be the cards" is an idiomatic expression that means to be in a fortunate or unfortunate situation, depending on the context. Antonyms for this phrase could include "be in control," "have the upper hand," "be in charge," "be on top," or "be the master of one's fate." These antonyms imply a sense of power, authority, and agency, as opposed to the passive and uncertain connotation of "be the cards." These expressions emphasize the importance of taking charge of one's life and decisions, rather than accepting a predetermined fate. By using these antonyms, one can communicate a more optimistic and empowering message.