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 Morphling
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 Morphling.
  2. Morphling does not have summoning sickness.

Steps

  1. Activate Morphling by tapping it, adding one green mana.
  2. Market Festival triggers, adding one blue mana and one mana of any color.
  3. Activate Morphling's first ability by paying one blue mana, untapping it.
  4. Repeat.

Results

  1. Infinite colored mana.
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