Color Identity: G, U

Prerequisites

  1.  All permanents on the battlefield.
  2. Utopia Sprawl
    Utopia Sprawl     attached to
    Horseshoe Crab
    Horseshoe Crab    .
  3. "Blue" chosen with
    Utopia Sprawl
    Utopia Sprawl    .
  4. Horseshoe Crab
    Horseshoe Crab     does not have summoning sickness.

Steps

  1. Activate
    Horseshoe Crab
    Horseshoe Crab     by tapping it, adding ({U} magic symbol)  ({G} magic symbol)  .
  2. Activate
    Horseshoe Crab
    Horseshoe Crab     by paying ({U} magic symbol)  , untapping itself.
  3. Repeat.

Results

  1. Infinite green mana.

Metadata

  1. In 6 decks according to EDHREC.
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