Color Identity: U, B, R

Prerequisites

  1.  
    Mairsil, the Pretender
    Mairsil     on the battlefield.
  2.  All other cards in exile.
  3. Mairsil, the Pretender
    Mairsil     does not have a +1/+1 counter on it.
  4. ({B} magic symbol)   available.

Steps

  1. Activate
    Mairsil, the Pretender
    Mairsil     using
    Endling
    Endling    's third ability by paying ({B} magic symbol)  , giving
    Mairsil, the Pretender
    Mairsil     undying until end of turn.
  2. Activate
    Mairsil, the Pretender
    Mairsil     using
    Blood Vassal
    Blood Vassal    's ability by sacrificing it, adding ({B} magic symbol)  ({B} magic symbol)  .
  3. Mairsil, the Pretender
    Mairsil     dies, triggering its undying ability, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  4. Activate
    Mairsil, the Pretender
    Mairsil     using
    Lunar Avenger
    Lunar Avenger    's ability by removing a +1/+1 counter from it.
  5. Repeat.

Results

  1. Infinite black mana.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite sacrifice triggers.

Metadata

  1. In 3 decks according to EDHREC.
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