Keyclone + Clique casting + Grid?

A feature that would make this keyclone an even more awesome tool is if I could use it with Grid & cliquecasting.

I'm 2 boxing a priest/warlock atm. What I'd like to do is when in the warlock window I left click a friendly player through grid it won't target them but it will make the priest cast a heal on them. I can't have it target them because I use my target frame for clique casting shadow bolts.

Or if this could work visa versa that would be great also. When in the priest window I can cast heals through clique casting on the Grid addons frames like normal, but also if I have an enemy targetframe up I can left click on the portrait to make the warlock cast a shadowbolt.

Keyclone, set a key so on, say, alt + left click = renew in grid, in keyclone alt + left click will hit macro that does the following

/assist <main>
/cast renew

In this way it will do the heal you want on the target you want (since you are targetting the heal-ee before the others get the command technically so the /assist should work)