the front side of Rona, Herald of Invasion // Rona, Tolarian Obliterator
the back side of Rona, Herald of Invasion // Rona, Tolarian Obliterator
the front side of Retraction Helix
the back of a classic MtG card
the front side of Mox Amber
the back of a classic MtG card

Color Identity: U, B

Initial Card State

  1.  Retraction Helix in hand.
  2.  Rona and Mox Amber on the battlefield.

Notable Prerequisites

  1. Rona does not have summoning sickness.

Steps

  1. Activate Mox Amber by tapping it, adding ({U} magic symbol)  .
  2. Cast Retraction Helix by paying ({U} magic symbol)  , targeting Rona.
  3. Activate Rona by tapping it, returning Mox Amber from the battlefield to your hand.
  4. Cast Mox Amber by paying ({0} magic symbol)  .
  5. Rona triggers, untapping itself.
  6. Activate Mox Amber by tapping it, adding one mana of any color among legendary creatures and/or planeswalkers you control.
  7. Repeat from step 3.

Results

  1. Infinite mana of colors among legendary creatures and planeswalkers you control.
  2. Infinite storm count.

Metadata

  1. In 907 decks according to EDHREC.
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