Any examples you can think of?
1) You could have pilots or abilities that give you free stuff. For example: you could have a pilot / title that gives a generic ship matching its type have a free four point torpedo. Rather than negative point cost items to balance ships, you could have free stuff. This also might result in old cards seeing play again.
2) Generics that have abilities that interact better the more you have of them.
3) Conditional pilot abilities or upgrades. '' if you have at least three A wings in play... ''