How can you create a combo with Aphetto Alchemist, Staff of Domination, Chromatic Orrery?
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[START OF COMBO]This combo can be formed with Aphetto Alchemist, Staff of Domination, Chromatic Orrery

Color identity: U
Mana cost: 
Steps:
  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Activate Aphetto Alchemist by tapping it, untapping Chromatic Orrery.
  3. Activate Staff of Domination's third ability by paying {3}, untapping Aphetto Alchemist.
  4. Activate Staff of Domination's first ability by paying {1}, untapping it.
  5. Repeat.
  6. Once you have infinite mana, you may instead use Chromatic Orrery's second ability to draw infinite cards, or use any of Staff of Domination's other abilities.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite draw triggers
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite untap of artifacts and creatures you control
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Sword of the Paruns attached to Aphetto Alchemist.
  - Aphetto Alchemist does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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