Greeks on the Wall

When Greeks on the Wall enters the battlefield and at the beginning of each combat, create a 1/3 Greek Soldier Human creature token with indestructible and vigilance.
{5}{t}: Sacrifice 10 Greeks you control, search your library for two God Creatures, and you may put those creatures onto the battlefield. Then shuffle your library.
{9}{t}: Exile Greeks on the Wall. Exile every creature that is not a God.