How can you create a combo with Teferi, Time Raveler, Possibility Storm?
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[START OF COMBO]This combo can be formed with Teferi, Time Raveler, Possibility Storm

Color identity: URW
Mana cost: 
Steps:
  1. When an opponent casts a card from their hand, Possibility Storm will exile it.
  2. They can not cast any cards from Possibility Storm because the stack is not empty.[END OF COMBO STEPS]

Result:
  - Opponents can't cast spells[END OF COMBO RESULT][END OF COMBO]

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