Macro for cast on arena targets with conditions.

[hasnogaems]

Hi guys, im alway wondering is it possible to make a cast macro for arena, with this logic:
For example, /cast [notmycurrenttarget][notmyfocus][@arena1] spellname; [notmycurrenttarget][notmyfocus][@arena2] spellname; [notmycurrenttarget][notmyfocus][@arena3] spellname

I now there is no such conditions as i write, but maybe there is with different names, maybe there is a way to make something like that?