Making the decision to discard a card can have a big effect on both one's own hand and one's opponents' hands. Discarding cards that are unlikely to be useful in subsequent melds whidn slotsile keeping in mind what opponents might require is a standard practice. Keeping track of which suits and ranks opponents have taken from the discard pile is a useful discarding tactic. It could be a good idea to refrain from throwing away any cards from a certain suit if your opponent has repeatedly picked up cards from it, indicating interest in that suit.
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