How can you create a combo with Future Sight, Ghostly Flicker, Mystic Sanctuary, Chromatic Orrery?
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[START OF COMBO]This combo can be formed with Future Sight, Ghostly Flicker, Mystic Sanctuary, Chromatic Orrery

Color identity: U
Mana cost: 
Steps:
  1. Activate Chromatic Orrery's first ability by tapping it, adding {5}.
  2. Cast Ghostly Flicker either from your hand or from the top of your library by paying {3}, blinking Chromatic Orrery and Mystic Sanctuary.
  3. Mystic Sanctuary enters the battlefield untapped, putting Ghostly Flicker from your graveyard on top of your library.
  4. Repeat.
  5. Once you have infinite mana, you may instead activate Chromatic Orrery's second ability to draw infinite cards.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite colored mana
  - Infinite colorless mana
  - Infinite draw triggers
  - Infinite landfall triggers
  - Infinite magecraft triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Future Sight must be on the battlefield
  - Ghostly Flicker must be in your hand or in the library
  - Mystic Sanctuary must be on the battlefield
  - Chromatic Orrery must be on the battlefield
  - You control at least three additional Islands.
[END OF COMBO PREREQUISITES]
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