Follower of Hangul

When Follower of Hangul enters the battlefield put a colorless Sarcophagus artifact token into your graveyard, it has "{2}{b} Exile Sarcophagus from your graveyard: Put a 2/2 black Zombie creature token onto the battlefield".
Whenever you exile a Sarcophagus from your graveyard you may pay 2 life, if you don't, sacrifice Follower of Hangul at the beginning of your next end step.