Knight

Keep this card hidden from other players.
If you lose the game, reveal this card.
If the player with the emblem "The King" causes
you to lose the game, that player exiles all
non-land permanents he controls and loses 5 life.
If all players with "Rebel" and "Usurper"
emblems have lost the game and the player with
the emblem "The King" has not lost the game,
you win the game.