How can you create a combo with Toxrill, the Corrosive, Maha, Its Feathers Night?
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[START OF COMBO]This combo can be formed with Toxrill, the Corrosive, Maha, Its Feathers Night

Color identity: UB
Mana cost: 
Steps:
  1. At the beginning of your end step, Toxrill's first ability triggers, putting a slime counter on each creature your opponents control.
  2. Because your opponents' creatures are now 0/0 due to Maha and Toxrill's static effects, the creatures die as a state-based action due to having zero toughness unless there is an effect boosting their toughness.
  3. Repeat during each of your end steps.[END OF COMBO STEPS]

Result:
  - Reduce each opposing creature's toughness to zero during each of your end steps[END OF COMBO RESULT][END OF COMBO]

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