Watch How Your Opponents Move: Keeping an eye on the cards your opponent picks and discards can reveal important information about their possible sets and sequences. This observation can aid playerrammy games in strategically planning their moves and foiling opponents' attempts to declare. Three. It is advisable to discard high-value cards early in the game in order to reduce the number of points that could be awarded in the event that an opponent declares. If an opponent declares, keeping high-value cards unplayed for an extended period of time can raise the chance of earning high points. 4. .