Which Коза breeds come in Двухцветный?

Club breed standards describe Двухцветный for the Бурская и Миотоническая (обморочная).

Коза pattern

Двухцветный

Two colors in clearly separate areas: in cats and dogs usually a color with white; in koi and goldfish two colors on the body.

2 Коза breeds list Двухцветный. It is in a club standard for 2 breeds.

Breed	ABGA	MYOTONIC GR
БурскаяТрадиционный	По стандарту (“traditional (white bodied with a red head)”)	No ruling
Миотоническая (обморочная)	No ruling	По стандарту (“All colors are acceptable, all combinations, and all patterns or markings”)