An opponent may be getting close to finishing their sets & runs if they are regularly pulling cards from the discard pile. Using this information, you can decide which cards to discard igame betn order to throw off your opponents' plans and which to hold onto. You can obtain a competitive edge in rummy by watching your opponents' movements and modifying your strategy accordingly. Effective hand management is essential to winning at rummy. Sets and runs are formed when players continually evaluate their hand to decide which cards to keep and which to discard.