One effective bluffing strategy, for instance, is to hold onto a reverse card until it can maximally disrupt your opponents' plans without disclosing your true intentions. Forsatta/kingmulating Effective Combinations. Using bonus cards to create potent combinations that can thwart your opponents' strategies and give you the upper hand is another sophisticated tactic. An opponent can be severely disadvantaged by, for instance, forcing them to miss two turns & draw extra cards when you use a skip card and a draw two card together.