How can you create a combo with Primal Amulet // Primal Wellspring, Dramatic Reversal, Narset's Reversal?
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[START OF COMBO]This combo can be formed with Primal Amulet // Primal Wellspring, Dramatic Reversal, Narset's Reversal

Color identity: U
Mana cost: 
Steps:
  1. Activate Primal Wellspring and another mana-producing nonland permanent by tapping them, adding at least {1}{U}.
  2. Cast Dramatic Reversal by paying {1}{U}.
  3. Primal Wellspring triggers, copying Dramatic Reversal.
  4. Resolve the copy of Dramatic Reversal, untapping all nonland permanents you control.
  5. Activate Primal Wellspring and the mana-producing permanent by tapping them, adding at least {U}{U}.
  6. Cast Narset's Reversal by paying {U}{U}, targeting Dramatic Reversal.
  7. Primal Wellspring triggers, copying Narset's Reversal targeting the original Narset's Reversal.
  8. Resolve the copy of Narset's Reversal, copying the original Narset's Reversal targeting Dramatic Reversal, and returning the original Narset's Reversal to your hand.
  9. Resolve Narset's Reversal, copying Dramatic Reversal and returning the original Dramatic Reversal to your hand.
  10. Resolve the copy of Dramatic Reversal, untapping all nonland permanents you control.
  11. Repeat.
  12. If nonland permanents you control can tap to produce at least {1}{U}, this combo nets infinite mana.[END OF COMBO STEPS]

Result:
  - Infinite magecraft triggers
  - Infinite mana nonland permanents you control can produce
  - Infinite storm count
  - Infinite untap of nonland permanents you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Primal Amulet // Primal Wellspring must be on the battlefield
  - Dramatic Reversal must be in your hand
  - Narset's Reversal must be in your hand
  - Nonland permanents you control can tap to produce at least {U}.
[END OF COMBO PREREQUISITES]
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