And you're going to break through the hive guard with holy spirit?) I mean, I've actually seen a game without upgrading gremlins for an early hive capture, but only on Jebus Cross, where the respawn has weak guards.
Well, maybe it could work, I dunno, I'm not a Tower specialist). Just don't forget that the Zephyrs will be competing for the hive spots, and breaking through them that way... hurts).
It's not for nothing I mentioned Josephine (this, by the way, was first thought up in VT by Stinger). She has, in addition to the golem stack, haste from the start for 3 casts.