Deneghra, Who Brings Maddness

At the beginning of each upkeep, you draw a card
and you lose 1 life.
When Deneghra, Who Brings Maddness enters
the battlefield, create three 2/2 black
Demon, Horror, or Zombie creature tokens with
fear equal to your devotion to black. (Each {b}in the mana costs of permanents you control counts
toward your devotion to black.)