Palace Jailer

When Palace Jailer enters the battlefield, you become the monarch.
When Palace Jailer enters the battlefield, exile target creature an opponent controls until an opponent becomes the monarch.

When this creature enters, you become the monarch.
When this creature enters, exile target creature an opponent controls until an opponent becomes the monarch.

When Palace Jailer enters the battlefield, you become the monarch.
When Palace Jailer enters the battlefield, exile target creature an opponent controls until an opponent becomes the monarch. (That creature returns under its owner's control.)

"I've never needed to use this. Don't make me start now."

Marvel Super Heroes Commander

"I think we all know who really deserves to be locked up in here..."

Final Fantasy Commander

Commander Masters

"Is it not a law in the City that those who wear the black and silver must stay in the Citadel?"
—Gandalf