Volition Reins
Scars of Mirrodin — uncommon
Enchantment — Aura
Volition Reins rulings:
2011-01-01: Volition Reins may target and may enchant an untapped permanent.
2011-01-01: If the enchanted permanent is untapped as Volition Reins enters the battlefield, the triggered ability won’t trigger at all.
2011-01-01: Gaining control of a permanent doesn’t cause you to gain control of any Auras or Equipment attached to it.