Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Activate Steelfin Whale by tapping it, returning the artifact from the battlefield to your hand.
Cast the artifact by paying {0}.
When the artifact enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Infinite LTB

Infinite ETB

Infinite storm count

Artifact with MV = 0

Retraction Helix

Steelfin Whale

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Activate Sol Ring by tapping it, adding {C}{C}.
Activate Steelfin Whale by tapping it, returning Sol Ring from the battlefield to your hand.
Cast Sol Ring by paying {1}.
When Sol Ring enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Infinite colorless mana

Sol Ring

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Cast Tooth of Chiss-Goria by paying {0}.
Steelfin Whale triggers, untapping itself.
Activate Tooth of Chiss-Goria by tapping it, giving target creature +1/+0 until end of turn.
Activate Steelfin Whale by tapping it, returning Tooth of Chiss-Goria to your hand from the battlefield.
Repeat from step 2.

Infinitely powerful creatures you control until end of turn

Tooth of Chiss-Goria

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Activate Steelfin Whale by tapping it, returning Memnite from the battlefield to your hand.
Cast Memnite by paying {0}.
When Memnite enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Memnite

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
If you control three or more artifacts, activate Mox Opal by tapping it, adding one mana of any color.
Activate Steelfin Whale by tapping it, returning Mox Opal from the battlefield to your hand.
Cast Mox Opal by paying {0}.
When Mox Opal enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Infinite colored mana

Mox Opal

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
If you control a colored legendary creature and/or planeswalker, activate Mox Amber by tapping it, adding {1}.
Activate Steelfin Whale by tapping it, returning Mox Amber from the battlefield to your hand.
Cast Mox Amber by paying {0}.
When Mox Amber enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Infinite mana among colors of legendary creatures and planeswalkers you control

Mox Amber

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Activate Mana Vault by tapping it, adding {C}{C}{C}.
Activate Steelfin Whale by tapping it, returning Mana Vault from the battlefield to your hand.
Cast Mana Vault by paying {0}.
When Mana Vault enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

Mana Vault

Cast Retraction Helix by paying {U}, targeting Steelfin Whale.
Activate Steelfin Whale by tapping it, returning Shield Sphere from the battlefield to your hand.
Cast Shield Sphere by paying {0}.
When Shield Sphere enters the battlefield, Steelfin Whale triggers, untapping Steelfin Whale.
Repeat from step 2.

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