The Book of Exalted Deeds

At the beginning of your end step, if you gained
3 or more life this turn, create a 3/3 white Angel creature token with flying.
{w}{w}{w}, {t}, Exile The Book of Exalted Deeds:
Put an enlightened counter on target Angel. It
gains "You can't lose the game and your oppon-
ents can't win the game." Activate only as a
sorcery.
A tome of celestial wisdom