Color Identity: U, B, R

Prerequisites

  1.  
    Mirror Image
    Mirror Image     in your graveyard.
  2.  All other permanents on the battlefield.
  3. You control at least five modified creatures.
  4. An opponent is unable to block and kill creatures you control.
  5. You control a Mountain.

Steps

  1. Declare
    Combat Celebrant
    Combat Celebrant     and
    Unforgiving One
    Unforgiving One     as attackers, choosing to exert
    Combat Celebrant
    Combat Celebrant     as it attacks.
  2. Combat Celebrant
    Combat Celebrant     triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
  3. Unforgiving One
    Unforgiving One     triggers, returning
    Mirror Image
    Mirror Image     from your graveyard to the battlefield as a copy of
    Combat Celebrant
    Combat Celebrant    .
  4. Activate
    Altar of Dementia
    Altar of Dementia     by sacrificing
    Combat Celebrant
    Combat Celebrant    , causing target player to mill cards equal to
    Combat Celebrant
    Combat Celebrant    's power.
  5. Move to your next combat phase.
  6. Declare
    Mirror Image
    Mirror Image     and
    Unforgiving One
    Unforgiving One     as attackers, choosing to exert
    Mirror Image
    Mirror Image     as it attacks.
  7. Mirror Image
    Mirror Image     triggers, untapping all other creatures you control and causing you to get an additional combat phase after this one.
  8. Unforgiving One
    Unforgiving One     triggers, returning
    Combat Celebrant
    Combat Celebrant     from your graveyard to the battlefield.
  9. Activate
    Altar of Dementia
    Altar of Dementia     by sacrificing
    Mirror Image
    Mirror Image    , causing target player to mill cards equal to
    Mirror Image
    Mirror Image    's power.
  10. Repeat.

Results

  1. Infinite combat phases.
  2. Infinite mill.
  3. Infinite self-mill.
  4. Infinite untap of creatures you control.

Metadata

  1. In 0 decks according to EDHREC.
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