Naafiri, Hound of the Sands

Pack Leader—Whenever Naafiri, Hound of the Sands attacks, create a 2/1 black Hound creature token that’s tapped and attacking.
Blood Hunt—Whenever you control two or more Hounds, Naafiri, Hound of the Sands gains menace until end of turn.
For the Pack—Sacrifice a Hound, Naafiri gains indestructible until end of turn.