T.U.R.T.L.E, The untamed

When T.U.R.T.L.E, The untamed enters the battlefield look at the top 10 cards in your library. You may reveal any number of lands if you do put the revealed lands tapped into play. If you don't reveal one creature and put it tapped into play. It gains echo equal to half of it's mana value.
This cards power & toughness is equal to the amount of lands you control.