maybe Emrakul will grant them eyes on the inside.Thoughts?
It would've been better to have a new colorless horror faction show up in Innistrad so players have one set to debate whether it's Phyrexia or Eldrazi or what, and then it's revealed with the next set that completes the block "hey Eldrazi!"
The investigators that generate clue tokens inadvertently summoning a cosmic horror with them is flavorful.