How can you create a combo with Maha, Its Feathers Night, Night of Souls' Betrayal?
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[START OF COMBO]This combo can be formed with Maha, Its Feathers Night, Night of Souls' Betrayal

Color identity: B
Mana cost: 
Steps:
  1. All creatures your opponents control will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.
  2. Whenever a creature enters the battlefield under an opponent's control, it will have base toughness 0, and die as a state-based action due to having 0 toughness unless there is another effect increasing its toughness.[END OF COMBO STEPS]

Result:
  - Reduce each opposing creature's toughness to zero
  - Creatures opponents control die upon entering the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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