the front side of Horseshoe Crab
the back of a classic MtG card
the front side of Cryptolith Rite
the back of a classic MtG card
the front side of Mana Reflection
the back of a classic MtG card

Color Identity: G, U

Initial Card State

  1.  All permanents on the battlefield.

Notable Prerequisites

  1. Horseshoe Crab does not have summoning sickness.

Steps

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

Results

  1. Infinite colored mana.

Metadata

  1. In 66 decks according to EDHREC.
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