Archtree

Archtree enters the battlefield tapped.
{t}: Add {g}.
As long as you control six or more lands, lands
you control have: "{t}: Add one mana of any
color."
{w}{w}{u}{u}{b}{b}{r}{r}{g}{g}, {t}, Sacrifice Archtree:
Search your library for any number of God
cards, put them onto the battlefield, then
shuffle your library.