Ghratta Grove

Ghratta grove does not untap during your untap
step. Whenever a human enters the battlefield
under your control you may untap Ghratta
grove and put it second from the top of your
library.
{t}add {g}{g}
Ghrat is the only elken who took kind to the Humans,
he hid them away in his mystical grove, and guides
them to freedom Killa, Bard of Ghratta Grove