How can you create a combo with Dockside Extortionist, Erratic Portal, Clock of Omens?
user
[START OF COMBO]This combo can be formed with Dockside Extortionist, Erratic Portal, Clock of Omens

Color identity: R
Mana cost: {1}{R}
Steps:
  1. Cast Dockside Extortionist by paying {1}{R}.
  2. When Dockside Extortionist enters the battlefield, it triggers, creating at least five Treasure artifact tokens.
  3. Activate three Treasures by tapping and sacrificing them, adding {2}{R}.
  4. Activate Clock of Omens by tapping two Treasure tokens, untapping Erratic Portal.
  5. Activate Erratic Portal by paying {1} and tapping it, returning Dockside Extortionist to your hand from the battlefield.
  6. Repeat.
  7. If opponents control six of more artifacts and/or enchantments, this combo nets infinite untapped Treasure tokens as opposed to infinite tapped Treasure tokens.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana artifacts you control can produce
  - Infinite storm count
  - Infinite Treasure tokens
  - Infinite untap of artifacts you control[END OF COMBO RESULT][END OF COMBO]

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