Severus Snape, Bravest Man

Severus Snape, Bravest Man enters the battlefield
under the control of an opponent of your choice.
Severus Snape, Bravest Man attacks each combat
if able and can't attack its owner or planeswalkers
its owner controls.
{2}Severus Snape, Bravest Man's controller loses
2 life and you draw a card. Any player may
activate this ability.