Milgoth, the Spoiled Grave

Whenever you cast your first instant or sorcery
spell from your graveyard each turn, you create
a 2/2 black Zombie creature token.
Whenever Mulgoth, the Spoiled Grave or
another permanent is put into play from a
graveyard, return target instant or sorcery
card from your graveyard to your hand.
{b}{g}{u},{t}: Target player mill ten cards.