Van Helsing, Monster Hunter

As an additional cost to cast this card, sacrifice a Werewolf creature you control.
{3}{r}{g}: exile all werewolf and vampire creatures
from the battlefield.
{3}{r}{g}, {t}, Sacrifice Van Helsing, Monster
Hunter and a non-Human Werewolf creature you control: Search your hand or library for a card
named Van Helsing, The Cursed and put it onto
the battlefield without paying its mana cost.