I think it would be better to change “…ground improvements…” to earth magic in the race description. I think that would be more accurate.
A screenshot of the sphinx was posted in the "Monster Discussion" thread by the user Ancient Evil.
Цикл "Закадычные враги": "Особенное гостеприимство, "Супероружие", "Меж молотом и наковальней"
"Падение Шантири"
Кампания для "Кодекса Войны"
"Выбор Сагиттеля"