Amentet, Veil of Death

At the beginning of your turn, if Amentet,
Veil of Death is in your graveyard, you may
put her onto the battlefield tapped. If you
do, you lose 2 life.
As long as Amentet, Veil of Death is untapped, you may cast up to one creature
with mana value 4 or less from your graveyard each turn.