Your deck is literally your "memories." Every major life event adds a new card to your hand.
You can focus on Mental (Biology, Engineering), Social (Empathy, Persuasion), or Physical (Toughness, Bravery) traits. I Was a Teenage Exocolonist [0100808018268800][...
Because your character remembers past lives, you can use "future knowledge" to prevent tragedies or unlock new dialogue options in subsequent playthroughs. Your deck is literally your "memories