Color Identity: U, B, R

Prerequisites

  1.  
    Mairsil, the Pretender
    Mairsil     on the battlefield.
  2.  All other cards in exile.
  3. ({B} magic symbol)   available.

Steps

  1. Activate
    Mairsil, the Pretender
    Mairsil     using
    Endling
    Endling    's third ability by paying ({B} magic symbol)  , gaining
    Mairsil, the Pretender
    Mairsil     undying.
  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     undying triggers, returning it to the battlefield with a +1/+1 counter.
  4. Activate
    Mairsil, the Pretender
    Mairsil     using
    Walking Ballista
    Walking Ballista    's last ability by removing a +1/+1 counter, dealing 1 damage to any target.
  5. Repeat.

Results

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

Metadata

  1. In 74 decks according to EDHREC.
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