Nuke from Orbit

All Pages with "UFO" in their name are not Affected by this Spell. Destroy all Beasties in the Arena. All Casters reveal their Chapters and Discard all Beastie Pages. Until the end of your next turn, Actions cannot be taken with Beastie Pages. Reveal all Pages that would be placed in or Bookmarked to any Caster's Chapter. Discard any Beastie Page revealed by this Effect. The Manhattan Project introduced a grave threat to humanity. How did they obtain such a powerful technology? Was there influence, perhaps, from above?