How can you create a combo with Impromptu Raid, Mortuary, Ashnod's Altar, Dockside Extortionist?
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[START OF COMBO]This combo can be formed with Impromptu Raid, Mortuary, Ashnod's Altar, Dockside Extortionist

Color identity: BRG
Mana cost: {R/G}
Steps:
  1. Activate Ashnod's Altar by sacrificing Dockside Extortionist, adding {C}{C}.
  2. When Dockside Extortionist dies, Mortuary triggers, putting Dockside Extortionist on top of your library from your graveyard.
  3. Actviate Impromptu Raid by paying {2}{R/G}, revealing Dockside Extortionist from the top of your library and putting it onto the battlefield.
  4. When Dockside Extortionist enters the battlefield, it triggers, creating at least one Treasure token.
  5. Activate a Treasure by tapping and sacrificing it, adding {R/G}.
  6. Repeat.[END OF COMBO STEPS]

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

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