the front side of Machine God's Effigy
the back of a classic MtG card
the front side of Barrenton Medic
the back of a classic MtG card

Color Identity: W, U

Initial Card State

  1.  Machine God's Effigy and Barrenton Medic on the battlefield.

Steps

  1. Activate Machine God's Effigy by tapping it, adding ({U} magic symbol)  .
  2. Activate Machine God's Effigy by putting a -1/-1 counter on it, untapping it.
  3. Repeat.

Results

  1. Infinite blue mana.

Metadata

  1. In 19 decks according to EDHREC.
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