Color Identity: U, B

Prerequisites

  1.  
    Fatestitcher
    Fatestitcher
    in your graveyard.
  2.  
    Void Maw
    Void Maw
    and
    Ashnod's Altar
    Ashnod's Altar
    on the battlefield.
  3. You control a permanent that can tap to produce at least ({U} magic symbol)  .

Steps

  1. Activate the mana-producing permanent by tapping it, adding ({U} magic symbol)  .
  2. Activate
    Fatestitcher
    Fatestitcher
    's unearth ability by paying ({U} magic symbol)  , returning it from your graveyard to the battlefield and giving it haste until end of turn.
  3. Activate
    Fatestitcher
    Fatestitcher
    by tapping it, untapping the mana-producing permanent.
  4. Activate
    Ashnod's Altar
    Ashnod's Altar
    by sacrificing
    Fatestitcher
    Fatestitcher
    , adding ({C} magic symbol)  ({C} magic symbol)  .
  5. Choose to exile
    Fatestitcher
    Fatestitcher
    using
    Void Maw
    Void Maw
    's replacement effect instead of
    Fatestitcher
    Fatestitcher
    's.
  6. Activate
    Void Maw
    Void Maw
    by putting
    Fatestitcher
    Fatestitcher
    from exile into your graveyard, giving
    Void Maw
    Void Maw
    +2/+2 until end of turn.
  7. Repeat.

Results

  1. Infinite colorless mana.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinitely large
    Void Maw
    Void Maw
    until end of turn.
  6. Infinite sacrifice triggers.

Metadata

  1. In 5 decks according to EDHREC.
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