Understanding when to discard cards & when to hold onto them is a crucial component of A23 Rummy strategy. Discarding is more than just getting rid of cards you don't want; it involves carefully weighing what could help you & your opponents. Players shplay. store. downloadould refrain from throwing away cards that might be useful to other players in finishing their melds. Discarding a card from a set of cards that an opponent has already gathered in a certain suit or rank, for instance, may unintentionally help them win the game. Players should instead try to eliminate cards that will less likely help their opponents while also decreasing the likelihood that they will help their own melds. Knowing when to hold onto particular cards, however, can be equally important.