Ez Healing Macro

[Elvenbane-veknilash (Elvenbane)]

Or you could use a version that mouseover casts without forcing you to change targets.

@Elvenbane-veknilash

Base Healing Macro

Alt: Self Cast
Mouseover Friend: Cast on Mouseover
Target Friend: Cast on Target
Target Enemy Targeting Friend: Cast on Enemy’s Target
Default casting behavior. This condition also serves to generate the correct tooltip.

#showtooltip
/cast [mod:alt,@player] [@mouseover,help,nodead] [help] [@targettarget,help,nodead] [] SPELL