The Nightbringer

As an additional cost to cast this spell, sacrifice a creature.
Flying, Lifelink, Indestructible
"You have tried to undo our great work. You have spread your vile, unclean selves across the galaxy, making a mockery of the beautiful silence we had wrought. It was all in vain. Rejoice, for we have returned and your days are at an end."
- Tomas Macabee, Necron Pariah