Color Identity: U, B

Prerequisites

  1.  All permanents on the battlefield.

Steps

  1. Activate
    Carrion Feeder
    Carrion Feeder     by sacrificing
    River Kelpie
    River Kelpie    .
  2. River Kelpie
    River Kelpie    's persist and undying abilities trigger.
  3. Resolve the persist trigger, returning
    River Kelpie
    River Kelpie     from your graveyard to the battlefield with a -1/-1 counter on it.
  4. River Kelpie
    River Kelpie     enters the battlefield, causing you to draw.
  5. The undying trigger fails to resolve because
    River Kelpie
    River Kelpie     is not in your graveyard.
  6. Resolve the
    Carrion Feeder
    Carrion Feeder     trigger, putting a +1/+1 counter on it.
  7. Activate
    Carrion Feeder
    Carrion Feeder     by sacrificing
    River Kelpie
    River Kelpie    .
  8. River Kelpie
    River Kelpie    's undying and persist abilities trigger.
  9. Resolve the undying trigger, returning
    River Kelpie
    River Kelpie     from your graveyard to the battlefield with a +1/+1 counter on it.
  10. River Kelpie
    River Kelpie     enters the battlefield, causing you to draw a card.
  11. The persist trigger fails to resolve because
    River Kelpie
    River Kelpie     is not in your graveyard.
  12. Resolve the
    Carrion Feeder
    Carrion Feeder     trigger, putting a +1/+1 counter on it.
  13. Repeat.

Results

  1. Infinite card draw.
  2. Near-infinite death triggers.
  3. Near-infinite ETB.
  4. Near-infinite LTB.
  5. Near-infinitely large
    Carrion Feeder
    Carrion Feeder    .
  6. Near-infinite sacrifice triggers.

Metadata

  1. In 1246 decks according to EDHREC.
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