Order of Succession | Magic: The Gathering
Formats Order of Succession is Legal in
Official Oracle Text for Order of Succession
Official Rulings for Order of Succession
10/17/2013 : It doesn’t matter whether the next player is a teammate or an opponent.
10/17/2013 : All players will gain control of the creatures they chose simultaneously.
10/17/2013 : If the next player in the chosen direction controls no creatures, you won’t gain control of anything.