Simple Partial Nocturnal Seizures

All, I was diagnosed when I was 9 years old. It first started as simple partial and progressed to grand mal. For years I was completely controlled on tegretol xr, but several years ago began break throughs of simple seizures at night and only at night. I am currently on lamotrigine in addition to the tegretol. I will not allow them to take away or reduce the dose of teg bc/ I know it controls the grand mals of which I dont want any part of. The lamotrigine controls about 80 percent of the nocturnal seizures, but there are still times when I breakthrough. I tried keppra, but it actually increased my seizure activity almost immediately so I discontinued its use. I was curious if anyone has had experience with a lamotrigine painring with either vimpat or clozabam? I am curious how effective the two can be together. I am looking for that med that will fill the other 20%. I am going to the EMU in 3 weeks for 4 days to hopefully pinpoint the area of the brain where they are coming from to better pair a med. But, those two were the first mentioned after keppra as a possible effective add on. I'm newly married so this has taken a toll on us. I'm looking to obviously avoid surgery for an issue already 80% solved. Any experience with the lamotrigine and vimpat/clozabam mix regarding efficacy and interaction would be appreciated.