Graveyard Lich

When Graveyard Lich enters the battlefield, you
may return a creature card with mana value 3 or
less from your graveyard to your hand.
At the beginning of your upkeep, if Graveyard
Lich is in your graveyard, you may pay {1}{b}. If
you do, return Graveyard Lich to the battlefield
and return target creature card with mana value
3 or less from your graveyard to the battlefield.