Color Identity: U

Prerequisites

  1.  
    Timestream Navigator
    Timestream Navigator     in hand.
  2.  
    Riptide Laboratory
    Riptide Laboratory     and
    Archmage of Echoes
    Archmage of Echoes     on the battlefield.
  3. You have the city's blessing, and/or control (at least) eight permanents.
  4. ({1} magic symbol)  ({U} magic symbol)   available the first turn, with ({4} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   each following turn available.

Steps

  1. Cast
    Timestream Navigator
    Timestream Navigator     by paying ({1} magic symbol)  ({U} magic symbol)  .
  2. Archmage of Echoes
    Archmage of Echoes     triggers, copying the
    Timestream Navigator
    Timestream Navigator     spell.
  3. Resolve both
    Timestream Navigator
    Timestream Navigator     spells.
  4. If you don't have the city's blessing, either the
    Timestream Navigator
    Timestream Navigator     token or the nontoken
    Timestream Navigator
    Timestream Navigator     gives you the city's blessing.
  5. During your next turn, activate
    Riptide Laboratory
    Riptide Laboratory    's second ability by paying ({1} magic symbol)  ({U} magic symbol)   and tapping it, returning the nontoken
    Timestream Navigator
    Timestream Navigator     to your hand from the battlefield.
  6. Activate the ability of the
    Timestream Navigator
    Timestream Navigator     token by paying ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , tapping it and putting on the bottom of your library, causing you to take an extra turn after that one.
  7. Repeat.

Results

  1. Infinite turns.

Metadata

  1. In 1074 decks according to EDHREC.
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