Color Identity: B

Prerequisites

  1.  All permanents on the battlefield.
  2. Soulstinger
    Soulstinger
    does not have a +1/+1 counter on it.

Steps

  1. Activate
    Altar of Dementia
    Altar of Dementia
    by sacrificing
    Soulstinger
    Soulstinger
    .
  2. When
    Soulstinger
    Soulstinger
    dies, its second and undying abilities trigger.
  3. Resolve the first trigger, allowing you to put a number of -1/-1 counters on a creature equal to the number that were on
    Soulstinger
    Soulstinger
    .
  4. Resolve the undying trigger, returning it from your graveyard to the battlefield with a +1/+1 counter on it.
  5. When
    Soulstinger
    Soulstinger
    enters the battlefield, its first ability triggers, putting two -1/-1 counters on it.
  6. Resolve the
    Altar of Dementia
    Altar of Dementia
    ability, causing target player to mill cards equal to
    Soulstinger
    Soulstinger
    's power.
  7. Repeat.

Results

  1. Infinite -1/-1 counters.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite mill.
  6. Infinite sacrifice triggers.
  7. Infinite self-mill.

Metadata

  1. In 34 decks according to EDHREC.
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