Isobelle Fein, Nightmother

Sire {1}{w}{b}(Exile this card from your graveyard
with a bloodline counter on it. Whenever a creature
enters the battlefield under your control, you may
move this card's bloodline counter from here to it.
That creature has all other abilities of this card. If
that creature dies, return the counter to this card.)
When Isobelle Fein dies, create X 1/1 black Bat creature tokens with flying and lifelink, where X
is Isobelle Fein's power.