Dimir Self-Bounce runs very few real creatures (mostly Fear of Isolation and small enchantment creatures), making dedicated removal often dead weight; trim Go for the Throat and Fatal Push. Duress preemptively strips their Narset, Parter of Veils, Nowhere to Run, or a counterspell before you deploy your threats, which is crucial since they lean on disruption and bounce rather than combat. Unlicensed Hearse is a resilient clock that dodges their bounce-heavy removal suite (Boomerang Basics, This Town Ain't Big Enough) since it rebuilds for cheap and doesn't mind being bounced. Keep Abrupt Decay in as a catch-all answer to their enchantments like Momentum Breaker or Cryogen Relic.