Hakukaru, king of dogs

Trample, Reach, Deathtouch, Strike First, Strike Twice, Vigilance, Indestructible, Hexproof, Threat, Annihilator 6.
Dogs you control get + 5 / + 5 and indestructible and trample. Whenever a dog enters the battlefield, create a 2/2 zombie dog token creature.This spell cannot be countered or sacrificed. As an additional cost to cast this spell, sacrifice a dog.