Color Identity: G, W, U, B

Prerequisites

  1.  All permanents on the battlefield.
  2. Magosi, the Waterveil
    Magosi, the Waterveil     has at least two eon counters on it.
  3. Magosi, the Waterveil
    Magosi     is untapped.

Steps

  1. Activate
    Nesting Grounds
    Nesting Grounds    's last ability by paying ({1} magic symbol)   and tapping it, moving an eon counter from
    Magosi, the Waterveil
    Magosi     to
    Nesting Grounds
    Nesting Grounds    .
  2. Activate
    Magosi, the Waterveil
    Magosi    's last ability by tapping it, removing an eon counter from it, and returning it from the battlefield to your hand, taking an extra turn after this one.
  3. Play
    Magosi, the Waterveil
    Magosi    .
  4. At the beginning of your end step,
    Atraxa, Praetors' Voice
    Atraxa     triggers, causing you to proliferate, putting an additional eon counter on
    Nesting Grounds
    Nesting Grounds    .
  5. On your next extra turn, activate
    Nesting Grounds
    Nesting Grounds    's last ability by paying ({1} magic symbol)   and tapping it, moving an eon counter from
    Nesting Grounds
    Nesting Grounds     to
    Magosi, the Waterveil
    Magosi    .
  6. Repeat from step 2.

Results

  1. Infinite turns.

Metadata

  1. In 196 decks according to EDHREC.
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