Angel of Inferno

Flying, Protection from White and Red
Mercy—{w}{r}{r}{t}, Sacrifice two lands: Destroy
all creatures you don't control. Exile each
creature destroyed this way. For each creature destroyed this way its owner gains 3 Life.
If a white or red creature you control goes to the graveyard, you may remove it from play instead.
If you do, gain Life equal to its mana cost.