Motholith

Hatch {2}{b}{g}
flying, deathtouch
Whenever Motholith is put into the graveyard,
you may return Montholith to the top of your library, shuffle your library, and put an insect
with converted mana cost less than Montholith
from your graveyard onto the battlefield tapped.
It is said that the beat its wings is enough to drive
away day, causing moonlight to take its
place.