In the unusual case where two or more cards are exiled face down with The Creation of Avacyn's first chapter ability (likely because the triggered ability was copied or the ability triggered a second time), the second chapter ability will turn all of the exiled cards face up
Sure, the math can be difficult to track, but when you have 20 tokens, one of your creatures gets +20/+20, another +19/+19, another +18+18, and you know the rest
There have been three waves of Universes Beyond Commander decks, one for Warhammer 40,000, another The Lord of the Rings, and most recently an addition for Doctor Who
For Ruby/Sapphire, the foil Belle Mechanic Extraordinaire only has 3 targets to Shift onto
Given enough time, it will singlehandedly create an army of Rats, boosting the effectiveness of Raffine, Scheming Seer or Virtue of Loyalty
Bant/Brokers is a good color combination for adding counters and playing some politics, regardless of exactly how you do it