Determine Possible Sequences and Sets. Being conscious of possible sets or sequences in your hand is essential to understanding when to discard. It could be advantasignals and slots in qtgeous to hold onto cards if you have several of the same rank or consecutive cards in the same suit so that you can eventually form a set or sequence. In contrast, it might be required to discard any unmatched cards that do not fit into any possible sets or sequences if doing so would improve your hand. Analyzing Your Rivals.