This seems to be only something that is an issue with druids and forms though I can't be sure.

But anyway as you know in our emails, the issue is that if I have a target and am in form that has a "harm" spell that can be used it wont allow the use of my mouseover say rejuv or regrowth while I have something "harm" targeted.

I did try a ton of combos but I believe it's still issues with the spec load or whatever but when I use macros like below it works fine.

/cast [@mouseOver,nodead,help] Rejuvenation; [@mouseOver,nodead,harm] Sunfire;[@target,nodead,help] Rejuvenation; [@target,nodead,harm] Sunfire

/cast [@mouseOver,nodead,help] Rejuvenation; [@target,nodead,harm] Strength of the Wild;[@target,nodead,help] Rejuvenation; [@target,nodead,harm] Strength of the Wild

/cast [@mouseOver,nodead,help] Rejuvenation; [@target,nodead,harm] Shred;[@target,nodead,help] Rejuvenation; [@target,nodead,harm] Shred

/cast [@mouseOver,nodead,help] Rejuvenation; [@target,nodead,harm] Maul;[@target,nodead,help] Rejuvenation; [@target,nodead,harm] Maul

Just trying to help you figure out what's the issue. Hope it helps