Torment the Archduchess

Flying
Costs {1} less for each creature that has died
this turn.
When Torment the Archduchess enters the
battlefield, summon four 2/2 Torment's Devils
with Haste.
Pay {u}{u}{1}, Torment the Archduchess gains
Hexproof until end of turn.
If Lord Falkenbab is on the field, she gainsTrample.
If Minerva is on the field, she gains
Deathtouch