Nether Thief

{t}: Gain control of target artifact until end of turn. If you control a creature with Overlord, gain control of target artifact creature or noncreature permanent.
Stealing is officially recognized as an advanced technique. The Thieves' Guild is the largest organization of the Netherworld. Thieves will steal anything by request, and anyone can join the Thieves' Guild as long as they have the skill.