How can you create a combo with Clock of Omens, Prototype Portal, Parallel Lives?
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[START OF COMBO]This combo can be formed with Clock of Omens, Prototype Portal, Parallel Lives

Color identity: G
Mana cost: 
Steps:
  1. Activate Prototype Portal by paying {0} and tapping it, creating two token copies of the imprinted artifact.
  2. Activate Clock of Omens by tapping the two artifact tokens, untapping Prototype Portal.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite tapped tokens of the artifact exiled by Prototype Portal[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Any artifact with mana value 0 exiled by Prototype Portal.
[END OF COMBO PREREQUISITES]
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