Severus Snape

Hexproof, Menace
Whenever Severus Snape enters the battlefield, an opponent of your choice gains control of it.
Severus Snape attacks each combat if able and can't attack its owner.
{3}: Severus Snape's controller loses 2 life and you
draw a card. Any player may activate this ability.
"Well, it might have escaped your notice, but life isn't fair."