TheSeaLocust's Grand Municipal Guide to Easy Classes:
(1) Homework seminars. Disregard subject matter, your interests, the course title, an the professor. Hunt out seminars that list the "requirements" as like 2 5 page essays or a pretty picture or something instead of an exam or a paper. It is SO easy to bang out response papers and SO annoying to write a long research paper or study for an exam.
(2) Courses taught by Leslie. These courses are arguably more useful than a real law school course. Look into the prof, because he won't be everyone's cup of tea, but the 'exam' he gives is impossible to study for. You get the law on the exam, and are expected to have 0 prior knowledge other than generally of how his case files work. If you attend even some classes, you will have to pit in 0 (not near 0, 0) effort to prepare for this final, it will just consume 3 hours of your life.
(3) Practical skills courses. Crap like hallmarks of distinguished advocacy. Stand around and talk about your feelings once per week? Yes please!
(4) Broadly speaking, courses about corporate law. The people who want to do corporate tend to be way less wound up than the people who don't, and that includes the professors. Corporations itself is basic enough to still attract some gunners, and accounting/CF can suck, but the seminars like "discuss your feelings about corporate governance" are usually golden.
(5) Directed research: If you have an in with a chill professor, doing some research for them for pass/fail credit can be seriously sweet. It might eat up a bit more time than some other things listed here, but with the same or more fringe benefits: no grade worrying, no pressure during finals.
(6) Seminar in Ethical Values: You can only get credit for 1, so be careful if you're a 2L. Otherwise you have no excuse not to take this joke of a class. Free food! Do research into what the free food is. You want the prof cooking you fancy meals or giving you win and cheese, not the prof ordering you pizza. These fill up FAST so if you want some profs make them your top choices.
If you choose mostly courses I described above, you can then pick 1 or 2 real classes and have WAY more time to prepare for each exam.
Classes that are the Opposite of Easy:
(1) Doctrinal classes. Look, after 1L you'll know how to do it, but it will still require studying, finding or making an outline, and possibly attending class. All of that sucks, so do it only if you really want or have to. Yeah, taking evidence with mitchell or crim pro with coughlin isn't a terrible idea objectively, but these aren't "easy" courses.
(2) Any course that somebody on law review would consider prestigious. Stay the hell away from fed courts, anything taught by collins, laycock, nelson, etc., conflict of laws, admin law, fancy pants con law courses, etc. It honestly won't be that much harder than a regular course, but it WILL be filled with more insufferable people asking more insufferable questions. They will also gun their faces off for the exam, so if you still care about grades (though you shouldn't) it might be worth a ninja dodge.
(3) Classes that have hard subject matter. Tax, accounting & corporate finance (depending on your background), and a few others are just harder material.
Classes that are hit or miss:
(1) Specific professors -- some are really easy or you work really well with, some are really hard. Picking the course based on the professor is often really hard.
(2) Clinics -- do your due diligence! Some are massive quagmires and some are really easy. I'd stay away as a personal choice, but just make sure you do your researhc.
(3) Independent study -- these can make you go crazy with guilt/procrastination, but require minimal time effort otherwise and are generally favorably graded if you can get in with the prof.