Color Identity: W, U

Prerequisites

  1.  
    Felidar Guardian
    Felidar Guardian     on the battlefield.
  2.  
    Machine God's Effigy
    Machine God's Effigy     in hand.
  3. ({4} magic symbol)   available.

Steps

  1. Cast
    Machine God's Effigy
    Machine God's Effigy     by paying ({4} magic symbol)  .
  2. Choose to have
    Machine God's Effigy
    Machine God's Effigy     enter the battlefield as a copy of
    Felidar Guardian
    Felidar Guardian    , except it's an artifact.
  3. When
    Machine God's Effigy
    Machine God's Effigy     enters the battlefield, it triggers, blinking
    Felidar Guardian
    Felidar Guardian    .
  4. When
    Felidar Guardian
    Felidar Guardian     enters the battlefield, it triggers.
  5. Holding priority, activate
    Machine God's Effigy
    Machine God's Effigy     by tapping it, adding ({U} magic symbol)  .
  6. Resolve the
    Felidar Guardian
    Felidar Guardian     trigger, blinking
    Machine God's Effigy
    Machine God's Effigy    .
  7. Repeat from step 2.

Results

  1. Infinite blue mana.
  2. Infinite ETB.
  3. Infinite LTB.

Metadata

  1. In 163 decks according to EDHREC.
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