Usually it's a lawsuit against some state government. Which shouldn't be surprising, since most laws affecting day to day lives of citizens are state laws, rather than federal laws, due to constitutional limitations on what can be enacted on the federal level.
and pick any case titled "{Person} v. United States" or "{Person} v. {State}". If the winning party is {Person}, chances are good that it repealed some law or another.
So, basically, go here:
https://en.wikipedia.org/wiki/List_of_United_States_Supreme_...
and pick any case titled "{Person} v. United States" or "{Person} v. {State}". If the winning party is {Person}, chances are good that it repealed some law or another.