Brev Kos, Knight of Dusk

0: Create a 3/5 Legendary Vampire Knight creature token named Brev Kos with deathtouch, lifelink and afterlife 2.
+1: Deal X damage to any target, where X is Brev Kos, Knight of Dusk's loyalty. If a creature would die to this effect exile it instead.
-X: Create X 1/1 Black and White Spirit creature tokens with flying, haste, and deathtouch.