Vow of Duty | 6 | Explorers of Ixalan

Set: Explorers of Ixalan
Rarity: U
#: 6
Creature Type or Sub Type: Enchantment — Aura
Rules Text Contains: Enchant creature
Enchanted creature gets +2/+2, has vigilance, and can't attack you or a planeswalker you control.
Flavor: "I prefer loyalty to be a matter of respect, not of magic. But one does what one must." —Kaalia of the Vast