Emrakul, Compleated Matriarch

Flying, annihilator 3, toxic 3
Whenever a player with three or more poison counters sacrifices one or more permanents, you
may pay {4}. If you do, proliferate and create a
1/1 colorless Phyrexian Eldrazi Scion creature
token with flying and toxic 1.
{4}, {t}: Each player loses a poison counter. Then,
draw a card for each poison counter removed this
way.