Dreadwolf of the Howlpacks

Haste
{1}{r}, Sacrifice a Wolf: Dreadwolf of the Howlpacks deals 4 damage to target creature.
There are some wolves within the plain of Innistrad who's ferocity is kindled not by instinct, but by the fury of their inner fire. Such wolves have often massacred their own packs out of the need for blood. Not even the boldest hunters and trappers dare to face such savage ferocity.