How can you create a combo with Agatha's Soul Cauldron, Knacksaw Clique, Omen Hawker?
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[START OF COMBO]This combo can be formed with Agatha's Soul Cauldron, Knacksaw Clique, Omen Hawker

Color identity: U
Mana cost: 
Steps:
  1. Activate Omen Hawker by tapping it, adding {C}{U} that can only be spent to activate abilities.
  2. Activate Omen Hawker using Knacksaw Clique's ability by paying {2} and untapping it, exiling the top card of an opponent's library.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Exile each opponent's library[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Agatha's Soul Cauldron must be on the battlefield
  - Knacksaw Clique must be exiled
  - Omen Hawker must be on the battlefield
  - Omen Hawker does not have summoning sickness and has at least one +1/+1 counter on it.
[END OF COMBO PREREQUISITES]
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