Color Identity: U, B

Prerequisites

  1.  All permanents on the battlefield.
  2. Magosi, the Waterveil
    Magosi     is untapped.
  3. ({1} magic symbol)   each turn available.

Steps

  1. At the beginning of your upkeep,
    Out of the Tombs
    Out of the Tombs     triggers, putting two eon counters on itself, then milling cards equal to the number of eon counters on it.
  2. Activate
    Nesting Grounds
    Nesting Grounds     by paying ({1} magic symbol)   and tapping it, moving an eon counter from
    Out of the Tombs
    Out of the Tombs     to
    Magosi, the Waterveil
    Magosi    .
  3. Activate
    Magosi, the Waterveil
    Magosi     by tapping it, removing an eon counter from it, and returning it to your hand, causing you to take an extra turn after this one.
  4. In your main phase, play
    Magosi, the Waterveil
    Magosi    .
  5. Go to your next turn.
  6. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 193 decks according to EDHREC.
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