Abraham's Legacy

When Abraham's Legacy enters the battlefield,
create a 1/1 white Human creature token for each creature you control.
—Whenever you cast a spell that shares a name
with a card in your graveyard, you may pay{1}. If you do, choose one -
•Return target card from your graveyard to your
hand.
•Exile target card from a graveyard.
•Create a token that's a copy of target creature
in your graveyard.