the front side of Steelfin Whale
the back of a classic MtG card
the front side of Retraction Helix
the back of a classic MtG card
the front side of Shield Sphere
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Retraction Helix in hand.
  2.  Steelfin Whale and Shield Sphere on the battlefield.

Notable Prerequisites

  1. Steelfin Whale does not have summoning sickness.

Mana Needed

  1. ({U} magic symbol)   available.

Steps

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

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite storm count.

Metadata

  1. In 39 decks according to EDHREC.
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