Ulamog, the great devastation

Rech, deathtouch, annihilator 4, trample, indestructible,
{4}{b/g}{u/b} {t}: each player sacrifice all noneldrazi creatures. Ulamog the great devastation gains infect.
{9}{c}{w/b}{t}: you get an emblem with "all creatures you control get menace and annihilator 2."
{4}{b/g}{t}: target player discard 3 card.