Players can learn more about their opponents' hands and modify their own strategy by keeping an eye on the cards they are discarding. It's also critical to maintain track of the cplaying online slotsards that have been played so that you can utilize this information to decide which cards to draw and which to discard. Making Use of Wild Cards and Maintaining Attention. Keeping an eye out for jokers and wild cards in the deck is another winning rummy strategy. These cards are very valuable since they can be used to replace any other card in sets & runs.