Alvina of Darkroot Wood

Whenever you cast a multicolored spell, scry 1.
If that spell was all colors, create a 4/4 white
Winged Knight creature token with flying and vigilance.
{5}, {t}: Add{w}{u}{b}{r}{g}
"I'm Alvina of the Darkroot Wood. I command
a clan of hunters who track down defilers of the forest
graves. What dost thou say? Wilt thou not join us?"
Alvina.