Za'Gadoon, Echo of the Void

Flying, Trample
{b}{b}{b}{t}: Grant all creatures -0/-1 and grant Za'Gadoon +0/+X, X being equal to the number of creatures affected.
{2}{b}{b}{b}{t}: Grant all creatures -1/-1 and grant Za'Gadoon +X/+X, X being equal to the number of creatures affected.