Gadreel, Watcher of Phyrexia

Reach, vigilance, ward {4}
Whenever Gadreel is dealt damage, you may proliferate. If Gadreel is the only creature you control on the battlefield, draw a card.
{2}{p/w}{p/w}{p/w}, sacrifice two creatures and/or artifacts you control: Return Gadreel from your graveyard to the battlefield tapped.