Uro, Titan of nature’s wrath

When Uro enters the battlefield, sacrifice it unless it escaped.
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.
Escape -{g}{g}{u}{u}, Exile five other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)