While discarding cards that could aid opponents can impede their progress, discarding high-point cards can reduce possible losses in the event that another player leaves the game. By strategically discarding cards that don'bridesmaids slotst give away too much about their intentions, players can strike a balance between strengthening their own hand and preventing others from doing so. Joker cards are important in 13 Card Rummy because they are wild cards that can be used to form sets or sequences in place of any other card. Because of their versatility, jokers are extremely valuable because they can help complete combinations that might be challenging to accomplish otherwise.