Consider the cards you might draw in later turns, for example, if you have two cards that could make up a sequence but don't have the final card to finish it. Observe the cards that other players are discarding as holy rummywell; this can give you hints about their hands & assist you in choosing which cards to keep or discard. Your ability to form successful combinations will increase as you get better at spotting trends and possible melds. Recognizing the moves of the opposition. The cards they choose to discard and the ones they take from the discard pile can provide insight into their intentions & the melds they may be attempting to create.