public static void RemoveAllHeroes(string name, out List<Hero> sub)
        {
            List<Hero> sub = new List<Hero>();
           
            for (int i = 0; i < _heroes.Count; i++)
            {
                if (_heroes[i].Name.StartsWith(name, StringComparison.OrdinalIgnoreCase))
                {
                    sub.Add(_heroes[i]);
                    _heroes.RemoveAt(i);
                }
            }
        }

        public static void RemoveAllHeroes(string name, out List<Hero> sub)
        {
            List<Hero> sub = new List<Hero>();
           
            for (int i = 0; i < _heroes.Count; i++)
            {
                if (_heroes[i].Name.StartsWith(name, StringComparison.OrdinalIgnoreCase))
                {
                    sub.Add(_heroes[i]);
                    _heroes.RemoveAt(i);
                }
            }
        }