Awoken Spirit

Wither (This creature deals damage in the form of
-1/-1 counters.)
{3}{b}{b}, sacrifice Awoken Spirit: Return target creature from the graveyard to the battlefield
under your control. It becomes a Demon in
addition to its other types.
Saw something in the darkness- two red glowing
circles. When I investigated, all I saw was a shriveled corpse.