Color Identity: U, B

Prerequisites

  1.   
    Gyruda, Doom of Depths
    Gyruda
    in hand or in the command zone.
  2.  
    Mortuary
    Mortuary
    and
    Ashnod's Altar
    Ashnod's Altar
    on the battlefield.
  3. ({4} magic symbol)  ({UB} magic symbol)  ({UB} magic symbol)   plus enough mana to pay for commander tax, if applicable available.

Steps

  1. Cast
    Gyruda, Doom of Depths
    Gyruda
    by paying ({4} magic symbol)  ({UB} magic symbol)  ({UB} magic symbol)   and commander tax, if applicable.
  2. Gyruda, Doom of Depths
    Gyruda
    enters the battlefield, triggering its ability.
  3. Holding priority, activate
    Ashnod's Altar
    Ashnod's Altar
    by sacrificing
    Gyruda, Doom of Depths
    Gyruda
    , adding ({C} magic symbol)  ({C} magic symbol)  .
  4. Gyruda, Doom of Depths
    Gyruda
    dies, triggering
    Mortuary
    Mortuary
    , putting
    Gyruda, Doom of Depths
    Gyruda
    on top of your library from your graveyard.
  5. Resolve the
    Gyruda, Doom of Depths
    Gyruda
    ability from step 2, causing each player to mill four cards and you to return
    Gyruda, Doom of Depths
    Gyruda
    from your graveyard to the battlefield.
  6. Repeat from step 2.

Results

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

Metadata

  1. In 10 decks according to EDHREC.
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