Throwing away cards that could give your opponent the impression that you are pursuing a specific combination when you are actually working on something completely different irummy slots stars one efficient bluffing tactic. Discarding one of your many hearts could give the impression that you are committed to that suit, even if you are actually attempting to form a sequence with spades. This could lead them to keep some cards they think will help them beat you, which would eventually let you finish your actual combination unhindered.