These estimative probability cards can be used in matrix game adjudication, or in a variety of other professional or gaming contexts where you want to quickly poll a small group regarding the likelihood of an outcome. They are not a stand-alone game, but are a useful supplement to MaGCK: The Matrix Game Construction Kit.
The deck come with seven suits/colours, each indicating a probability and the associated term:
These terms reflect those commonly used in the intelligence community. They are certainly the perfect geeky gift for the methodologically-rigorous intelligence analyst in your life!