Jarvan, Warring King

+1: Target Warrior creature that you control has "Whenever this creature deals combat damage to a player, destroy target land that player controls."
-X: Return any number of Warrior creatures to their controller's hand. Destroy an equal amount of creatures you don't control for the same number.
0: You get an emblem with, "As long as you control a Warrior creature, you can't lose the game and your opponent's can't win the game."