Color Identity: U, R

Prerequisites

  1.  
    River Song
    River Song     and
    Timestream Navigator
    Timestream Navigator     on the battlefield.
  2. Timestream Navigator
    Timestream Navigator     does not have summoning sickness.
  3. You have the city's blessing.
  4. ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   each turn available.

Steps

  1. During your upkeep, activate
    Timestream Navigator
    Timestream Navigator     by paying ({2} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  , tapping it and putting it on the bottom of your library, causing you to take an extra turn after this one.
  2. Move to your draw step, drawing
    Timestream Navigator
    Timestream Navigator     from the bottom of your library due to
    River Song
    River Song    .
  3. Cast
    Timestream Navigator
    Timestream Navigator     by paying ({1} magic symbol)  ({U} magic symbol)  .
  4. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 1123 decks according to EDHREC.
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