Rakos Ringmaster

Lifelink, Haste.
Spectacle {b/r}{b/r} (You may cast this spell for its
spectacle cost rather than its mana cost if an opponent
lost life this turn.)
Unleash (You may have this creature enter the
battlefield with a +1/+1 counter on it. It can't block
as long as it has a +1/+1 counter on it.)
Hellbent - As long as you have no cards in hand,
Rakos Ringmaster gains "{1}{b}{r}{t}: Each
opponent discards a card at random and loses 2
life. "