Curse of the Unhallowed

Enchant player
Whenever a creature enchanted player controls
dies, they lose 3 life and put an afterlife counter
on Curse of the Unhollowed.
If enchanted player loses the game, instead, their
life total becomes X and you create X 1/1 white
Spirit creature tokens with flying. where X is the
number of afterlife counters on Curse of the
Unhollowed. Exile Curse of the Unhollowed.