Elvira, Avacyn's Trueblade

This spell can't be countered.
Flying, Vigilance, Protection from black and red.
{w}: Elvira, Avacyn's Trueblade gets +3/+3 until
end of turn. Other white creatures you control get
+1/+1.
Morph {3}{w}{w}{w} (You may cast this card face down
as a 2/2 creature for {3}. Turn it face up any time for
its morph cost.)