Shara the Free

When Shara the Free enters the battlefild exile
any number of creature cards from graveyards,
you lose life equil to the number of cards exiled
this way.
{4}{b}{b}, {t}: For each token exiled with Shara the
Free it's controller creates a token that is a copy
of that card exept it is a 1/1 white spirit creature
with flying in addition to its other colours and types.
Return those cards to their owners graveyards.