How can you create a combo with Kami of Whispered Hopes, Crab Umbra?
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[START OF COMBO]This combo can be formed with Kami of Whispered Hopes, Crab Umbra

Color identity: GU
Mana cost: 
Steps:
  1. Activate Kami of Whispered Hopes by tapping it, adding at least {U}{U}{U}{U}.
  2. Activate Crab Umbra by paying {2}{U}, untapping Kami of Whispered Hopes.
  3. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Crab Umbra attached to Kami of Whispered Hopes.
  - Kami of Whispered Hopes does not have summoning sickness and has a power of at least four.
[END OF COMBO PREREQUISITES]
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