Ritiej, Adorned Eldramancer

{x}{x}{x}{t}: Create X 1/1 colorless Eldrazi Scion creature tokens with "{t}, Sacrifice this token: Add {c} to your mana pool."
Whenever an Eldrazi you control leaves the battlefield, including Ritiej, return up to one Eldrazi creatures you control from your graveyard to your hand.
He goes out after battles to resummon the fallen Eldrazi in the dead of night, ever replenishing their numbers.