Birria Inspired Brisket

Name: Birria-Inspired Brisket
Ingredients: 5 guajillo chiles, stemmed and seeded; 2 ancho chiles, stemmed and seeded; 2 pasilla chiles, stemmed and seeded; 6 cloves garlic, unpeeled; 1 small white onion, quartered, plus 2 large white onions, thickly sliced; 1/4 cup cider vinegar; 2 tablespoons light brown sugar; 2 teaspoons ground cumin; 1 teaspoon dried Mexican oregano; 1/4 teaspoon ground cinnamon; Pinch ground cloves; 1 quart low-sodium beef broth; Kosher salt and freshly ground black pepper; One 4-pound beef brisket; 2 tablespoons extra-virgin olive oil; One 14-ounce can whole tomatoes, crushed by hand; 2 dried bay leaves