If an effect says that a player wins the game, Puresteel Angel’s emblem won’t apply.

If you can’t lose the game, Puresteel Angel’s emblem won’t apply.

Puresteel Angel’s emblem has no effect if you concede the game.

If you have more than one of Puresteel Angel’s emblem, you’ll only lose one of them if you would lose the game.

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.