How can you create a combo with Dockside Extortionist, Recurring Nightmare, Mayhem Devil?
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[START OF COMBO]This combo can be formed with Dockside Extortionist, Recurring Nightmare, Mayhem Devil

Color identity: BR
Mana cost: {1}{R}
Steps:
  1. Cast Dockside Extortionist by paying {1}{R}.
  2. Dockside Extortionist enters the battlefield, creating at least six Treasure tokens.
  3. Activate Recurring Nightmare by sacrificing Dockside Extortionist and returning itself to hand, return Mayhem Devil to the battlefield.
  4. Activate five Treasure tokens by tapping and sacrificing those, adding {4}{B}{B}.
  5. Mayhem Devil triggers six times each.
  6. Resolve the first Mayhem Devil trigger, dealing 1 damage to any target.
  7. Repeat step 6 for each remaining Mayhem Devil trigger.
  8. Cast Recurring Nightmare by paying {2}{B}.
  9. Activate Recurring Nightmare by sacrificing Mayhem Devil.
  10. Mayhem Devil trigger, dealing 1 damage to any target.
  11. Resolve the Recurring Nightmare by returning itself to hand, return Dockside Extortionist to the battlefield.
  12. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count
  - Infinite Treasure tokens[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Dockside Extortionist must be in your hand
  - Recurring Nightmare must be on the battlefield
  - Mayhem Devil must be in the graveyard
  - Opponents control at least six artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
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