Sivant, Merchant Mayor

When Sivant, Merchant Mayor enters the battlefield, for each opponent, that player gains control of target permanent you control, then you gain control of another target permanent that player controls.
Creatures you own can't attack you.
"Yes, he could trade a crumpled up napkin for a ton of gold, but he can't stop the corruption and lies that run rampant through our town." - Kregord