Nahallu, Butcher of Souls

Intimidate
Whenever Nahallu, Butcher of Souls deals combat damage to an opponent, put a bounty counter on target creature that player controls.
{4}{b}{b}: Exile target creature with a bounty counter on it. Search its controller's graveyard, hand and library for any number of cards with the same name and exile them. Then that player shuffles their library.