Color Identity: G, W, U, B

Prerequisites

  1.  
    Cavern Harpy
    Cavern Harpy     in hand.
  2.  
    Primal Prayers
    Primal Prayers     and
    Guide of Souls
    Guide of Souls     on the battlefield.
  3. You have at least ({E} magic symbol)   or enough mana to cast
    Cavern Harpy
    Cavern Harpy    .

Steps

  1. Cast
    Cavern Harpy
    Cavern Harpy     by paying ({E} magic symbol)   due to
    Primal Prayers
    Primal Prayers    , if able, or by paying its mana cost.
  2. When
    Cavern Harpy
    Cavern Harpy     enters the battlefield, it and
    Guide of Souls
    Guide of Souls     trigger.
  3. Resolve the
    Guide of Souls
    Guide of Souls     trigger, causing you to get ({E} magic symbol)   and gain 1 life.
  4. Resolve the
    Cavern Harpy
    Cavern Harpy     trigger, returning it from the battlefield to your hand.
  5. Repeat.

Results

  1. Infinite LTB.
  2. Infinite ETB.
  3. Infinite lifegain triggers.
  4. Infinite lifegain.
  5. Infinite storm count.

Metadata

  1. In 6 decks according to EDHREC.
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