Color Identity: U, B, R

Initial Card State

  1.  
    Mairsil, the Pretender
    Mairsil     and
    Mass Hysteria
    Mass Hysteria     on the battlefield.
  2.  All other permanents in exile.

Notable Prerequisites

  1. Mairsil, the Pretender
    Mairsil     does not have a -1/-1 counter on it.

Steps

  1. Activate
    Mairsil, the Pretender
    Mairsil     using
    Cauldron of Souls
    Cauldron of Souls    ' ability by tapping it, giving itself persist 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. When
    Mairsil, the Pretender
    Mairsil     dies, its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  4. Activate
    Mairsil, the Pretender
    Mairsil     using
    Carnifex Demon
    Carnifex Demon    's ability by paying ({B} magic symbol)   and removing a -1/-1 counter from it, putting a -1/-1 counter on each other creature.
  5. Repeat.

Results

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

Metadata

  1. In 1 deck according to EDHREC.
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