Cheapest priced copy (Magic 2014): $0.35 at Card Kingdom, near mint, their price list as of .
Master of Diversion 
Creature — Human Scout · 2/2 · Common · Magic 2014 · #24
Whenever this creature attacks, tap target creature defending player controls.
Legal inCommanderPioneerModernLegacyVintagePauper
Not legal inBrawlStandard
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| Magic 2014 | 24 | Common | $0.35 | $0.49 |
2 rulings from Wizards of the Coast
- 1 July 2013In 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.
- 1 July 2013The ability will resolve and the creature will become tapped before blocking creatures are declared.