For your life total to become a certain number, you gain or lose the corresponding amount of life. For example, if your life total is 4 when you lose the game, the emblem will cause you to gain 16 life; alternatively, if your life total is 40, it will cause you to lose 20 life. If your life total is -214 life, you’ll gain 234 life. Wow. Other cards that interact with life gain or life loss will interact with this effect accordingly.