Pondren smiles at Sphynx's genius. "Ah yes, I see your point. Resetting the plane leaves it as a blank slate, while destroying it truly restores the order of the cosmos. You are most wise. And yes, the spell could easily be re-configured to activate on a delayed basis; I had never thought of it in that way. You are exceedingly eruditic, and very insightful. One could learn much, merely by remaining in your immediate company, and listening."
Pondren runs his fingers through his hair. He can't ever seem to stop fidgeting! "One thing I'd like to do first, however, is make sure there are no remaining non-zombified inhabitants on the plane; if there are, it would be a simple matter to get them off the plane BEFORE we begin casting the spell. A simple Commune spell would suffice to discover any survivors. I have no qualms about destroying zombies, but we need to ensure that we aren't neglecting innocent lives. What say all of you?"