Thra'kuul the Hunter

When Thra'kuul the hunter enters the
battlefield, you may have it fight target creature.
Whenever a creature dealt damage by Thra'kuul
dies this turn, put two +1/+1 counters on
Thrakuul.
{2}{r},{t}: Create a 1/1 red legendary
creature token named Gnasher, with: When
Gnasher dies, it deals 3 damage to target player
or 5 damage to target creature.