How can you create a combo with Gandalf the White, Ancestral Statue, Clock of Omens, Chromatic Orrery?
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[START OF COMBO]This combo can be formed with Gandalf the White, Ancestral Statue, Clock of Omens, Chromatic Orrery

Color identity: W
Mana cost: 
Steps:
  1. Activate Chromatic Orrery's first ability by tapping it, adding at least {5}.
  2. Cast Ancestral Statue by paying {4}.
  3. When Ancestral Statue enters the battlefield, it triggers twice.
  4. Holding priority, activate Clock of Omens by tapping the nontoken noncreature artifact with mana value one or less and by tapping Ancestral Statue, untapping Chromatic Orrery.
  5. Resolve both Ancestral Statue triggers, returning it and the nontoken noncreature artifact to your hand.
  6. Cast the noncreature artifact by paying its mana cost.
  7. Repeat.
  8. If the noncreature artifact has a mana value of zero, this combo nets infinite mana, which would allow you to instead use 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 enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Gandalf the White must be on the battlefield
  - Ancestral Statue must be in your hand
  - Clock of Omens must be on the battlefield
  - Chromatic Orrery must be on the battlefield
  - You control a nontoken noncreature artifact with mana value one or less.
[END OF COMBO PREREQUISITES]
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