Eezigak, Blight Mother

Vile (Whenever this creature becomes blocked,
defending player sacrifices a creature blocking it)
Blight (Whenever this creature attacks, defending
player gets a poison counter)
{b}, {t}: Draw X cards, create X 1/1 black rat
creature tokens, and add X {c}, where X is the
number of poison counters each player has.
{1}{b}{b}: Rats you control gain vile and blight
until end of turn. You get a poison counter.