The World Tree

The World Tree 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 The World
Tree: Search your library for any number of
God cards, put them onto the battlefield,
then shuffle.