Color Identity: U

Prerequisites

  1.  All permanents on the battlefield.
  2. Magosi, the Waterveil
    Magosi
    has at least one eon counter on it.
  3. ({5} magic symbol)   each turn available.

Steps

  1. Activate
    Contagion Clasp
    Contagion Clasp
    by paying ({4} magic symbol)   and tapping it, putting an eon counter on
    Magosi, the Waterveil
    Magosi
    .
  2. 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
    .
  3. Activate
    Magosi, the Waterveil
    Magosi
    's last ability by tapping it, removing an eon counter from it and returning it to your hand, taking an extra turn after this one.
  4. Play
    Magosi, the Waterveil
    Magosi
    from your hand.
  5. Move to your next turn.
  6. Activate
    Contagion Clasp
    Contagion Clasp
    by paying ({4} magic symbol)   and tapping it, putting an eon counter on
    Nesting Grounds
    Nesting Grounds
    .
  7. 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
    .
  8. Repeat from step 3.

Results

  1. Infinite turns.

Metadata

  1. In 273 decks according to EDHREC.
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