Vow of Duty [Commander 2011]

Set: Commander 2011 Type: Enchantment — Aura Uncommon Cost: {2}{W} Enchant creature Enchanted creature gets +2/+2, has vigilance, and can't attack you or a planeswalker you control. "I prefer loyalty to be a matter of respect, not of magic. But one does what one must." —Kaalia of the Vast