Favour of The Ents

As long as Favour of The Ents is on the battlefield, all of your Lands become 0/8 defenders with Reach and shroud.
Pay{g}{g}{g} Gain 10 Life but exile your top 3 cards of your library
Pay{u}{u}{u} Look at the top 3 cards of a library of your choice and play one card for no cost. Exile the other cards.
Pay{6} Play a card that has been exiled for no additional cost but lose 10 Life