the front side of Ashaya, Soul of the Wild
the back of a classic MtG card
the front side of Market Festival
the back of a classic MtG card
the front side of Simic Ragworm
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Market Festival attached to Simic Ragworm.
  2. Simic Ragworm does not have summoning sickness.

Steps

  1. Activate Simic Ragworm by tapping it, adding one green mana.
  2. Market Festival triggers, adding one blue mana and one mana of any color.
  3. Activate Simic Ragworm by paying one blue mana, untapping it.
  4. Repeat.

Results

  1. Infinite colored mana.
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