the front side of Horseshoe Crab
the back of a classic MtG card
the front side of Mesmeric Orb
the back of a classic MtG card
the front side of Cryptolith Rite
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 one blue mana.
  2. Activate Horseshoe Crab by paying one blue mana, untapping Horseshoe Crab.
  3. Mesmeric Orb triggers, causing you to mill a card.
  4. Repeat.

Results

  1. Infinite self-mill.
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