Color Identity: G, W, U

Prerequisites

  1.   
    Lagrella, the Magpie
    Lagrella
    in hand or in the command zone.
  2.  
    Karmic Guide
    Karmic Guide
    and
    Phyrexian Altar
    Phyrexian 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
    Phyrexian Altar
    Phyrexian Altar
    by sacrificing
    Lagrella, the Magpie
    Lagrella
    , adding one mana of any color.
  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 colored mana.
  2. Infinite death triggers.
  3. Infinite ETB.
  4. Infinite LTB.
  5. Infinite sacrifice triggers.

Metadata

  1. In 23 decks according to EDHREC.
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