DeSaad, Master Torturer

When DaSaad, Master Torturer enters the battlefield, put a -1/-1 counter on each of up to
two target creatures.
{1}{b}, {t}: Put a -1/-1 counter on target creature.
Tap that creature.
{3}{b}, {t}: Proliferate (You choose any number of permanents and/or players with counters on them,
then give each another counter of a kind
already there.)