How can you create a combo with Mana Echoes, Kiri-Onna, Chromatic Orrery?
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[START OF COMBO]This combo can be formed with Mana Echoes, Kiri-Onna, Chromatic Orrery

Color identity: UR
Mana cost: 
Steps:
  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Cast Kiri-Onna by paying {5}.
  3. When Kiri-Onna enters the battlefield, it and Mana Echoes trigger.
  4. Resolve the Mana Echoes trigger, adding at least {C}{C}{C}{C}{C}.
  5. Resolve the Kiri-Onna trigger, returning it to your hand from the battlefield.
  6. Repeat from step 2.
  7. If you control five Spirits except Kiri-Onna, this combo will net infinite mana.[END OF COMBO STEPS]

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

Other prerequisites:
  - Mana Echoes must be on the battlefield
  - Kiri-Onna must be in your hand
  - Chromatic Orrery must be on the battlefield
  - You control at least four Spirits.
[END OF COMBO PREREQUISITES]
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