Magnezone LV. X beastly?
Well, you might just drop the rotoms all together
-2 Rotoms
-1 TGW
-1 Night Maintenance
+2 Heatran
+2 Heatran LV.X
Unless the translation is gimped out, having Heatran LV.X and Electivire on bench with Magnezone Lv.X would allow for auto paralyze every turn...