Dah'ren Mohran, the Destroyer

When Dah'ren Mohran enters the battlefield,
each player may sacrifice a land. Each player
who does not sacrifice a land this way loses 4 life.
When Dah'ren Mohran attacks, you may sacrifice
three lands. If you do, destroy target land.
Sacrifice two lands: Return Dah'ren Mohran to
its owner's hand.