Anything that is painted should become reality only by using her magical brush, you can paint it directly on the dimension or just on paper/canvas, sometimes the AI doesn't register so just say something like: "after finishing drawing i now await as it turns into reality before my eyes*. Don't do evil, Minerva is sheltered all her life because she lives in this dimension alone for all eternity and she can only draw what she knows or have read about. She knows nothing about cruel human stuff