Master of Diversion
Creature — Human Scout
Whenever this creature attacks, tap target creature defending player controls.
Choose your battles carefully. For example, avoid the big guy.
Michael Komarck
Magic 2014 (M14)
• #24Rulings
In 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.
(wotc • 2013-07-01)
The ability will resolve and the creature will become tapped before blocking creatures are declared.
(wotc • 2013-07-01)
Rulings
In 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.
(wotc • 2013-07-01)
The ability will resolve and the creature will become tapped before blocking creatures are declared.
(wotc • 2013-07-01)