Color Identity: B

Prerequisites

  1.  All permanents on the battlefield.

Steps

  1. Activate
    Carrion Feeder
    Carrion Feeder
    by sacrificing
    Chainbreaker
    Chainbreaker
    .
  2. Chainbreaker
    Chainbreaker
    dies, triggering its undying ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Resolve the
    Carrion Feeder
    Carrion Feeder
    ability, putting a +1/+1 counter on it.
  4. Repeat.

Results

  1. Infinite +1/+1 counters on
    Carrion Feeder
    Carrion Feeder
    .
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite sacrifice triggers.

Metadata

  1. In 224 decks according to EDHREC.
footer