How can you create a combo with Ascend from Avernus, Dockside Extortionist, Sidisi, Undead Vizier, Riftsweeper, Ashnod's Altar?
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[START OF COMBO]This combo can be formed with Ascend from Avernus, Dockside Extortionist, Sidisi, Undead Vizier, Riftsweeper, Ashnod's Altar

Color identity: BRGW
Mana cost: {5}{R}
Steps:
  1. Cast Dockside Extortionist by paying {1}{R}.
  2. Dockside Extortionist enters the battlefield, creating at least five Treasure tokens.
  3. Activate two Treasure tokens by tapping and sacrificing them, adding {B}{B}.
  4. Activate Ashnod's Altar twice by sacrificing Dockside Extortionist and Riftsweeper, adding {C}{C}{C}{C}.
  5. Cast Sidisi by paying {3}{B}{B}.
  6. Sidisi enters the battlefield, exploiting itself.
  7. Sidisi triggers, searching your library for Ascend for Avernus and putting it into your hand.
  8. Activate three Treasure tokens by tapping and sacrificing them, adding {W}{W}{W}.
  9. Cast Ascend from Avernus by paying {5}{W}{W}{W}, returning Sidisi, Riftsweeper, and Dockside Extortionist from your graveyard to the battlefield, and exiling Ascend from Avernus.
  10. Sidisi, Riftsweeper, and Dockside Extortionist enter the battlefield, triggering their abilities.
  11. Resolve the Dockside Extortionist trigger, creating at least five Treasure tokens.
  12. Resolve the Riftsweeper trigger, shuffling Ascend from Avernus into your library from exile.
  13. Holding priority, activate Ashnod's Altar twice by sacrificing Dockside Extortionist and Riftsweeper, adding {C}{C}{C}{C}.
  14. Activate a Treasure token by tapping and sacrificing it, adding {1}.
  15. Resolve the Sidisi trigger from step 10, exploiting itself.
  16. Repeat from step 7.[END OF COMBO STEPS]

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

Other prerequisites:
  - Ascend from Avernus must be in the library
  - Dockside Extortionist must be in your hand
  - Sidisi, Undead Vizier must be in your hand
  - Riftsweeper must be on the battlefield
  - Ashnod's Altar must be on the battlefield
  - Opponents control at least five artifacts and/or enchantments.
[END OF COMBO PREREQUISITES]
assistant