Durin's Bane

+3: Exile the top two cards of your library. Until end of turn, you may cast them. Create a Ring token.
-X: Durin's Bane deals X damage to each creature without flying. Damage can't be prevented this turn.
-11: Destroy all lands you don't control, then exile all opponents' graveyards. Each opponent gets an emblem with "You can't gain life."