Master of Diversion | Magic: The Gathering
Formats Master of Diversion is Legal in
Official Oracle Text for Master of Diversion
Official Rulings for Master of Diversion
7/1/2013 : In a Two-Headed Giant game, any creature controlled by a member of the defending team can be chosen as the target.
7/1/2013 : In other multiplayer formats, including Commander, only a creature controlled by the defending player Master of Diversion is attacking can be chosen as the target, even if your other attacking creatures are attacking different players.