macro helpFollow

ok so im trying to make a macro that will target the next target for me, start auto attacking as well as be my main cp generator. right now that ability is mutilate. what i have noticed is that when i am fighting multiple mobs ( mostly in an instance) and the first one dies and i have enough energy to do my main cp generator it automatically targets the nearest mob and attacks. and since i have the energy for my ability, after it goes off i start to auto attack. what i need help doing is when i dont have enough energy for my ability i have to find the mob on screen and right click him in order top auto attack. is there a way to make a macro that will target, start to auto attack then mutilate. and be stable enough to keep spamming that as my main ability? i messed around with a few different ways but it seems to not work as intended. is there anyone better then me at making macros that can help? thanks