Theresa, Krallenhorde Mystic

When Theresa, Krallenhorde Mystic enters the battlefield, create a 2/2 red and green wolf
creature token.
Whenever another wolf or werewolf enters the battlefield under your control you may have it
fight another target creature.
Whenever another wolf or werewolf under your control dies, transform Theresa, Krallenhorde
Mystic.