Sobek, Devourer of Souls

Haste, Flying, Hexproof,
Vigilance (All creatures you control also have vigilance)
When Sobek, Soul Devourer Enters the battlefield create a 3/3 Withered Soldier
{6}{b}{b} Devore (All Creatures on the battlefield are exiled after this creature dies return all exiled creatures to battlefield)
Reanimate (Pay {3} life and exile {3} of your
creatures)