Color Identity: B, G, U

Prerequisites

  1.  
    Cavern Harpy
    Cavern Harpy     in hand.
  2.  
    Fallaji Wayfarer
    Fallaji Wayfarer     and
    Intruder Alarm
    Intruder Alarm     on the battlefield.
  3. You control an additional blue or black creature.

Steps

  1. Cast
    Cavern Harpy
    Cavern Harpy     by tapping
    Fallaji Wayfarer
    Fallaji Wayfarer     and a blue or black creature.
  2. Cavern Harpy
    Cavern Harpy     enters the battlefield, triggering itself and
    Intruder Alarm
    Intruder Alarm    .
  3. Resolve the
    Cavern Harpy
    Cavern Harpy     trigger, returning it from the battlefield to your hand.
  4. Resolve the
    Intruder Alarm
    Intruder Alarm     trigger, untapping all creatures.
  5. Repeat.

Results

  1. Infinite ETB.
  2. Infinite LTB.
  3. Infinite mana creatures you control can produce.
  4. Infinite storm count.
  5. Infinite untap of all creatures.

Metadata

  1. In 16 decks according to EDHREC.
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