The World Tree

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