#2. Mick Foley chooses a side
Mick Foley is a bit of a wild card in the match. His role as special guest referee is a late addition and the lack of history between Foley and either Reigns or Strowman make it quite hard to predict how Foley might influence the match in some way.
I can't think of a reason why Foley might choose to side with Strowman over Reigns during the match (other than maybe intimidation?) but let's not rule it out as an option. Foley helping Strowman to beat Reigns would certainly be one way to keep Reign's momentum as a warrior against adversity going!
Edited by Anirban Banerjee