The Undead Scarab God

Indestructible, Rech, deathtouch,
Whenever a creature enter the graveyard you create a 2/2 Zombie creature token.
{3}{u}{b},{t}: you may pay X life and exile X target creatures from a graveyard if you do then create X 2/2 Zombie creature token where X is the
number of cards in your hand.
{b}{w}{w}: Regenerate target zombie you
control.