As a priest for the longest time (recently switched mains to a deathknight), I had a lot of macros I used with grid (and clique), and a buddy was asking me about them and I decided to post them here.
Greater Heal / Flash Heal / etc. (pretty much any targetted spell) :
#showtooltip Greater Heal /cast !Inner Focus /cast [mod:alt,target=player][target=mouseover,exists][help] [target=targettarget,exists][target=player] Greater Heal
Macro explanation :
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