/castrandom Mind Blast,
/castrandom Mind Blast,
/castrandom Mind Blast,
/castrandom Mind Blast,
/castrandom Mind Blast,
/castrandom Holy Fire,
/castrandom Holy Fire,
/castrandom Holy Fire,
/castrandom Holy Fire,
/castrandom Holy Fire,
/cast Smite
No idea if that would work, but 99% of the time, it should do what you want.