Uro, Titan of Nature's Wrath [Mystery Booster 2]

When Uro enters, sacrifice it unless it escapes.
Uro enters or attacks, you gain 3 life and draw a card, then you can put a land card from your hand onto the battlefield.
Escape—{G}{G}{U}{U}, Exile five other cards from your graveyard. (You can cast this card from your graveyard for its escape cost.)