From publisher blurb:
In the world of Legion the Game powerful wielders of Psyche powers tap into unknown forces to wield forces destructive and utilitarian.
This set of cards is a game playing aid to where you can have copies of your characters talents on hand keeping you from continually referencing the books for effects and ranges.
You will need a copy of the Core Rulebook to use these cards. It contains Psyche Talents from the Legion the Game Core Rulebook and the Mercenaries Supplement.