Color Identity: B

Prerequisites

  1.  All permanents on the battlefield.

Steps

  1. Activate
    Altar of Dementia
    Altar of Dementia     by sacrificing
    Matter Reshaper
    Matter Reshaper    .
  2. Matter Reshaper
    Matter Reshaper     dies, triggering itself and
    Mortuary
    Mortuary    .
  3. Resolve the
    Mortuary
    Mortuary     trigger, putting
    Matter Reshaper
    Matter Reshaper     on top of your library from your graveyard.
  4. Resolve the
    Matter Reshaper
    Matter Reshaper     trigger, revealing
    Matter Reshaper
    Matter Reshaper     from the top of your library and putting it onto the battlefield.
  5. Resolve the
    Altar of Dementia
    Altar of Dementia     ability, causing target player to mill cards equal to
    Matter Reshaper
    Matter Reshaper    's power.
  6. Repeat.

Results

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

Metadata

  1. In 5 decks according to EDHREC.
footer