Round Robin with castsequence

[Multibocks]

Hey all, just wondering if I can do a round robin with a castsequence on all slaves?

Something like:

/castsequence Divine Protection, Divine Sacrifice

and then roundrobin it between the 4 slaves. Same as if I had /cast Grounding Totem on all slaves round robin'd. Anyone know if the second keypress will just move it on to next slave instead of casting Divine Sacrifice?

edit: this is in Innerspace.