Farriir, Lich Queen of Legions

Deathtouch, Lifelink, Convoke
{t}, return X creature cards from your graveyard
to the battlefield,
{2}{u/b}{u/b}, put X 2/2 black blue zombie army token
with amass, this ability may be used from your
command zone,
{10}{u}{b} Convoke, Target player puts all cards on
the battlefield under their control into the
graveyard you may put X creature cards from
among them onto the battlefield under
your control