the front side of Ashaya, Soul of the Wild
the back of a classic MtG card
the front side of Horseshoe Crab
the back of a classic MtG card
the front side of Utopia Sprawl
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Utopia Sprawl attached to Horseshoe Crab.
  2. "Blue" chosen with Utopia Sprawl.
  3. Horseshoe Crab does not have summoning sickness.

Steps

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

Results

  1. Infinite green mana.

Metadata

  1. In 13 decks according to EDHREC.
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