Lament of Bala Ged

Escalate—{3}, Sacrifice an eldrazi creature.
Choose one or more —
•Search your library for a colorless eldrazi
creature card, reveal it, put it into your hand,
then shuffle your library.
•Each player sacrifices all colored permanents he
or she controls.
•Create seven 1/1 colorless Eldrazi Scion creature tokens with "Sacrifice this creature: Add {c}."