Color Identity: G, U

Prerequisites

  1.  
    Machine God's Effigy
    Machine God's Effigy
    and
    Devoted Druid
    Devoted Druid
    on the battlefield.

Steps

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

Results

  1. Infinite blue mana.
  2. Infinite green mana.

Metadata

  1. In 5267 decks according to EDHREC.
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