A combination of strategic thinking and astute observational abilities are necessary to master rummy. Keeping a careful eye on the cards your opponents are discarding is one useful tactic. This can hsattakingeelp you predict their movements and give you important information about their hands. You can modify your approach if a player routinely discards cards from a specific suit, for example, as this could suggest that they are not pursuing sequences in that suit. Also, opponents can't get an advantage by taking high-value cards from the discard pile if you hold onto them until you can form a meld.