Color Identity: U, B, R

Prerequisites

  1.  
    Mairsil, the Pretender
    Mairsil     on the battlefield.
  2.  All other permanents 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
    Triskelion
    Triskelion    's ability by removing a +1/+1 counter from it, 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 104 decks according to EDHREC.
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