Color Identity: G, U

Prerequisites

  1.  All permanents on the battlefield.
  2. Horseshoe Crab
    Horseshoe Crab     does not have summoning sickness.
  3. Horseshoe Crab
    Horseshoe Crab     has at least one +1/+1 counter on it.

Steps

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

Results

  1. Infinite colored mana.

Metadata

  1. In 2 decks according to EDHREC.
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