Xandri, Dark Angel of War

Protection from everything
Xandri, Dark Angel of War's power and toughness is equal to twice the number of total permanents on the field plus two. If Xandri, Dark Angel or War is put into the graveyard transform and return him to the battlefield under its owners control.
"Once a demon always a demon, but always an angel and never a demon" ~Former Angel of War to Xandri