Crowley, The King of Hell

Dethrone, Conspire, Flying, Undying
Hail to the King (No black spells or black permanents can deal damage or life loss to the controller of Crowley or Crowley himself .)
Crossroads Contract (No player's can ever break a deal once it Is made. If any player's breaks said deal. Those player's removed from the game their hand, graveyard and half of their permanents.)