I would look at the PTs from 79-83. The exam doesn't change much but I noticed that for LR and RC there's a slight difference worth taking a look at before the February exam. Good luck!
I definitely think that the Multiverse passage from PT 83 is my favorite. I loved the subject matter and the writing style. I definitely consider myself lucky for seeing it on the actual test date.
... to be frank, on Test 83 I panicked on the second ... out of four games on 83 (December). I had to blind ... ? If you look at Test 83, Game 3, I'd pursued ... , I double-digit bombed the 83 LSAT Logic Games, and still ...