Hellfire Angel

Flying, Protection from Red
Morph {2}{w}{u} (You may cast this card face down
as a 2/2 colorless creature for {3}. Turn it face up
anytime for its morph cost.)
When this creature is turned face up, destroy all
red creatures. Hellfire Angel deals X plus 3
damage to you, where X is the number of
creatures that died this way.