Bluffing is a tactic that involves purposefully discarding cards that could give opponents false information about the makeup or intent of your hand. When you discard a card from a suit you are actively pursuing while keeping other cards from that suis23 sim slotst, for instance, opponents may underestimate your melding potential. Choosing between drawing from the stockpile and the discard pile involves weighing risk and reward, which is another sophisticated strategy. Although it might seem beneficial to draw from the discard pile since it gives you instant access to known cards, doing so also gives opponents knowledge about your strategy. On the other hand, pulling cards from the stockpile may not always produce useful cards but conceals your intentions.
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