the front side of Prototype Portal
the back of a classic MtG card
the front side of Retreat to Coralhelm
the back of a classic MtG card
the front side of Ensoul Artifact
the back of a classic MtG card
the front side of Darksteel Citadel
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Darksteel Citadel in exile (exiled by Prototype Portal).
  2.  All other permanents on the battlefield.

Notable Prerequisites

  1. Ensoul Artifact attached to Prototype Portal.
  2. Prototype Portal does not have summoning sickness.

Steps

  1. Activate Prototype Portal by tapping it, creating a token copy of Darksteel Citadel.
  2. When the Darksteel Citadel token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
  3. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite Darksteel Citadel tokens.
  3. Infinite landfall triggers.

Metadata

  1. In 9 decks according to EDHREC.
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