Druid of Elesh`Khan

When Druid of Elesh`Khan enters the battlefield put a 6/4 Flying White Dragon legendary creature token named Arak with "When there is no Druid of Elesh`Khan on the battlefield, sacrifice this creature." onto the battlefield.
Dark: All tokens named Arak are Black Zombies
in addition to their other types, at the beginning of your combat phase, target opponent takes control of Arak.
Light: Scry 1.