"Some say you cannot hit what you cannot see. I prefer that you hit what I want you to see."
—Arcanis the Omnipotent

Robe of Mirrors

Enchant creature (Target a creature as you cast this. This card enters attached to that creature.)
Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Tenth Edition

Enchant creature
Enchanted creature has shroud.

Exodus

Enchanted creature cannot be the target of spells or abilities.

Having shroud will prevent the creature from being targeted by Aura spells, but it does not remove any Auras that are already attached to the creature or stop Auras from being moved to the creature by some other method.