Alatheth, the Faceless King

When you cast Alatheth, the Faceless King, gain control of target creature. It loses all colors and becomes an Eldrazi in addition to its other types.
Indestructible, Reach
Other Eldrazi creatures you control get +4/+4.
When Alatheth is put into a graveyard from anywhere, its owner shuffles his or her graveyard into his or her library.