Cygnus, The Star Collector

Flying, Vigilance.
Whenever a non token creature you control dies,
create a 1/1 Blue Star creature token with Flying.
{t}, Sacrifice X creature tokens: Return target
creature card with converted mana cost X or
less from your graveyard to the battlefield.
As the cosmos began to wither, Cygnus, the mightiest constellation, vowed to protect the stars.