Nemert, Thrash Necromagus

Whenever you unearth Nemert, Thrash
Necromagus or another creature, create a 3/3
black Viashino Zombie creature token.
At the beginning of each endstep, put all cards
with unearth from exile into your graveyard.
Unearth {u}{b}{g}({u}{b}{g}: Return this card from
your graveyard to the battlefield. It gains haste. Exile
it at the beginning of the next end step or if it would
leave the battlefield.Unearth only as a sorcery.)