Wrath of Anjobi

Choose a creature type, Destroy each creature of that type. Each player loses life equal to the number of creatures he or she controlled that was destroyed this way.
Anjobi have never cared for anyone except for himself and his brothers. When his oldest brother Romosir died by the hands of the Sahkin. In furious anger and hatred. Anjobi promised that he would do anything to avenge his brother and destroy the Sahkin.