Boros Dwarves is an aggressive low-curve Equipment deck, so cheap answers matter more than clunky ones. A fourth Requiting Hex is excellent against Dwarven Mauler, Kili the Resourceful, and Dáin's Company, all mana value 2 or less. Keen-Eyed Curator blocks well and can exile graveyard cards to blunt any recursive value. Duress can strip a key Equipment like Leyline Axe or Lavaspur Boots before it comes down. Shoot the Sheriff is actually a strong fit here since it destroys any non-outlaw creature, and their Dwarves and Warriors are non-outlaws, so it can freely target Dwarven Mauler, Kili the Resourceful, Dáin's Company, Thorin, Mountain-king, and Warden of the Inner Sky. We trim the slow, triple-black Archenemy's Charm and situational Witherbloom Charm since this matchup is a race that rewards efficiency.