Color Identity: B, G, U

Prerequisites

  1.  
    Grist, the Hunger Tide
    Grist
    in exile (
    Grist, the Hunger Tide
    Grist
    exiled by
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron
    ).
  2.  
    Agatha's Soul Cauldron
    Agatha's Soul Cauldron
    and
    Master Biomancer
    Master Biomancer
    on the battlefield.
  3. Master Biomancer
    Master Biomancer
    has at least one +1/+1 counter on it.

Steps

  1. Activate
    Master Biomancer
    Master Biomancer
    using
    Grist, the Hunger Tide
    Grist
    's first loyalty ability by putting a loyalty counter on it, causing you to create a 1/1 Insect creature token and mill a card, and then put a loyalty counter on
    Master Biomancer
    Master Biomancer
    and repeat the process if the card was an Insect.
  2. The Insect enters the battlefield with at least three +1/+1 counters on it due to
    Master Biomancer
    Master Biomancer
    , causing it to have
    Grist, the Hunger Tide
    Grist
    's abilities.
  3. Repeat from step 1 using the Insect token instead.

Results

  1. Infinite creature tokens.
  2. Infinite ETB.
  3. Infinite self-mill.

Metadata

  1. In 34 decks according to EDHREC.
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