How can you create a combo with Lavinia, Azorius Renegade, Possibility Storm?
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[START OF COMBO]This combo can be formed with Lavinia, Azorius Renegade, Possibility Storm

Color identity: URW
Mana cost: 
Steps:
  1. Whenever an opponent casts a spell from their hand, Possibility Storm triggers, exiling the spell and allowing the player to reveal cards from the top of their library until they reveal a spell that shares a type with the exiled spell, and cast it without paying its mana cost.
  2. If the opponent chooses to cast the spell, Lavinia triggers, countering that spell since no mana was spent to cast it.[END OF COMBO STEPS]

Result:
  - Counter all spells opponents cast from their hands[END OF COMBO RESULT][END OF COMBO]

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