The Scarab God

{u}{b}, Exile two cards from your graveyard: Create
a 2/2 black Zombie creature token.
{2}{u}{b}: Exile target creature you own from a graveyard, then create a token that's a copy of it,
except it's a black 4/4 Zombie in addition to other types and abilities.
Whenever The Scarab God dies, at the beginning
of your next end step, you may return it from
your graveyard to your hand.