How can you create a combo with Thrumming Stone, Lapse of Certainty, Swarm Intelligence?
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[START OF COMBO]This combo can be formed with Thrumming Stone, Lapse of Certainty, Swarm Intelligence

Color identity: WU
Mana cost: {2}{W}
Steps:
  1. Cast any other spell, or wait for an opponent to cast one.
  2. Cast Lapse of Certainty by paying {2}{W}, targeting that spell.
  3. Swarm Intelligence and Thrumming Stone trigger.
  4. Resolve the Swarm Intelligence trigger, creating a copy of Lapse of Certainty, targeting the original Lapse of Certainty.
  5. Resolve the copy of Lapse of Certainty, countering the original Lapse of Certainty and putting it on top of your library.
  6. Resolve the Thrumming Stone trigger from step 3, revealing the top four cards of your library and casting Lapse of Certainty without paying its mana cost.
  7. Repeat from step 3.[END OF COMBO STEPS]

Result:
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Thrumming Stone must be on the battlefield
  - Lapse of Certainty must be in your hand
  - Swarm Intelligence must be on the battlefield
[END OF COMBO PREREQUISITES]
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