How can you create a combo with Ghostly Flicker, Mana Matrix, Archaeomancer, Khalni Gem?
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[START OF COMBO]This combo can be formed with Ghostly Flicker, Mana Matrix, Archaeomancer, Khalni Gem

Color identity: U
Mana cost: 
Steps:
  1. Activate Khalni Gem by tapping it, adding {U}{U}.
  2. Cast Ghostly Flicker by paying {U}, targeting Khalni Gem and Archaeomancer, blinking them.
  3. When Archaeomancer enters the battlefield, return Ghostly Flicker to you hand.
  4. When Khalni Gem enters the battlefield, return two lands you control to your hand if able.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite magecraft triggers
  - Infinite storm count
  - Return all lands you control to your hand[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ghostly Flicker must be in your hand
  - Mana Matrix must be on the battlefield
  - Archaeomancer must be on the battlefield
  - Khalni Gem must be on the battlefield
[END OF COMBO PREREQUISITES]
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