How can you create a combo with Cowardice, Lightning Greaves, Dockside Extortionist?
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[START OF COMBO]This combo can be formed with Cowardice, Lightning Greaves, Dockside Extortionist

Color identity: UR
Mana cost: {1}{R}
Steps:
  1. Activate Lightning Greaves' equip ability by paying {0}, targeting Dockside Extortionist.
  2. Cowardice triggers, returning Dockside Extortionist from the battlefield to your hand.
  3. Cast Dockside Extortionist by paying {1}{R}.
  4. Dockside Extortionist enters the battlefield, creating at least three Treasure tokens.
  5. Activate two Treasure tokens by tapping and sacrificing them, adding {1}{R}.
  6. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Opponents control at least three artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
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