and you re right you should stick with whatever works for you, as for theres millions of exercises for it this is what i do:
just like with chest the focus is on lat pull downs(i do em with a parallel grip) and deadlifts.
so once again:
*4 warm up sets, then the heavy stuff on lat pull downs
*3 sets on deadlift (8-10)
*2-3 sets seated cable row
*2-3 sets of t-bar row(my favorite and the one i feel the most)
*2 sets of
alternating pulldowns
*and you can end 2 sets of either shrugs, rear pull downs, or reverse cable flys(full motion)
and i do lower back with my abs