Color Identity: B, G

Prerequisites

  1.  All permanents on the battlefield.
  2. Howlgeist
    Howlgeist
    has no +1/+1 counters on it.

Steps

  1. Activate
    Phyrexian Altar
    Phyrexian Altar
    by sacrificing
    Howlgeist
    Howlgeist
    , adding ({B} magic symbol)  .
  2. Howlgeist
    Howlgeist
    dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  3. Activate
    Retribution of the Ancients
    Retribution of the Ancients
    by paying ({B} magic symbol)   and removing a +1/+1 counter from
    Howlgeist
    Howlgeist
    , giving any creature -1/-1 until end of turn.
  4. Repeat.

Results

  1. Infinite death triggers.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite sacrifice triggers.
  5. Reduce any number of target creatures' toughness to zero.

Metadata

  1. In 2 decks according to EDHREC.
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