Uro Titan of Natures Wrath

“When Uro enters the battlefield, sacrifice it unless it escaped. <br> Whenever Uro enters the battlefield or attacks, you gain 3 life and draw a card, then you may put a land card from your hand onto the battlefield. <br> Escape—GGUU, Exile five other cards from your graveyard. <em>(You may cast this card from your graveyard for its escape cost.)</em>”