Dimir Aggro leans on Moon-Circuit Hacker and Kaito, Bane of Nightmares ninjutsu plus Mockingbird copying our own threats, so Unlicensed Hearse pressures their small creatures as blockers and denies graveyard value. Duress proactively strips Kaito, Bane of Nightmares or removal spells like Bitter Triumph before they can be used, which is stronger than reactive removal against a hexproof-during-their-turn planeswalker-creature. Go for the Throat struggles since Kaito is hexproof on their turn, and Tear Asunder has few profitable targets here, so both get trimmed for disruption.