Jxius, Unhollowed Pontiff

At the beginning of your endstep, you may
exile a creature from any graveyard. If you do
create X 2/2 zombie creature tokens with
decayed where X is that creature's power.
{b}{b}, {t}: Sacrifice a Zombie, until end of
turn Jxius, Unhollowed Pontiff gains, "When
this creature dies, return it to the battlefield
tapped under its owner's control."
Whenever one or more zombies die, you may
search your library for a zombie creature, put
it in your graveyard.