Color Identity: G, W, U

Prerequisites

  1.   
    Lagrella, the Magpie
    Lagrella     in hand or in the command zone.
  2.  
    Karmic Guide
    Karmic Guide     and
    Ashnod's Altar
    Ashnod's Altar     on the battlefield.
  3. ({G} magic symbol)  ({W} magic symbol)  ({U} magic symbol)   plus enough mana to pay for commander tax, if applicable available.

Steps

  1. Cast
    Lagrella, the Magpie
    Lagrella     by paying ({G} magic symbol)  ({W} magic symbol)  ({U} magic symbol)   and commander tax, if applicable.
  2. When
    Lagrella, the Magpie
    Lagrella     enters the battlefield, it triggers, exiling
    Karmic Guide
    Karmic Guide     until
    Lagrella, the Magpie
    Lagrella     leaves the battlefield.
  3. Activate
    Ashnod's Altar
    Ashnod's Altar     by sacrificing
    Lagrella, the Magpie
    Lagrella    , adding ({C} magic symbol)  ({C} magic symbol)  .
  4. If
    Lagrella, the Magpie
    Lagrella     is your commander, choose not to return it to the command zone from your graveyard.
  5. When
    Lagrella, the Magpie
    Lagrella     leaves the battlefield,
    Karmic Guide
    Karmic Guide     is returned to the battlefield from exile.
  6. When
    Karmic Guide
    Karmic Guide     enters the battlefield, it and
    Lagrella, the Magpie
    Lagrella     triggers.
  7. Resolve the
    Lagrella, the Magpie
    Lagrella     trigger, putting two +1/+1 counters on
    Karmic Guide
    Karmic Guide    .
  8. Resolve the
    Karmic Guide
    Karmic Guide     trigger, returning
    Lagrella, the Magpie
    Lagrella     from your graveyard to the battlefield.
  9. Repeat from step 2.

Results

  1. Infinite colorless mana.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite sacrifice triggers.

Metadata

  1. In 34 decks according to EDHREC.
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