How can you create a combo with Steelfin Whale, Retraction Helix, Mox Amber?
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[START OF COMBO]This combo can be formed with Steelfin Whale, Retraction Helix, Mox Amber

Color identity: U
Mana cost: {U}
Steps:
  1. Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
  2. If you control a colored legendary creature and/or planeswalker, activate Mox Amber by tapping it, adding {1}.
  3. Activate Steelfin Whale by tapping it, returning Mox Amber from the battlefield to your hand.
  4. Cast Mox Amber by paying {0}.
  5. When Mox Amber enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
  6. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite mana among colors of legendary creatures and planeswalkers you control
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Steelfin Whale must be on the battlefield
  - Retraction Helix must be in your hand
  - Mox Amber must be on the battlefield
  - Steelfin Whale does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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