Color Identity: U

Prerequisites

  1.  
    Timestream Navigator
    Timestream Navigator     and
    Planar Bridge
    Planar Bridge     on the battlefield.
  2. You have the city's blessing.
  3. Timestream Navigator
    Timestream Navigator     does not have summoning sickness.
  4. ({10} magic symbol)  ({U} magic symbol)  ({U} magic symbol)   each turn available.

Steps

  1. 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 from the battlefield, causing you to take an extra turn after this one.
  2. Activate
    Planar Bridge
    Planar Bridge     by paying ({8} magic symbol)   and tapping it, causing you to search your library for
    Timestream Navigator
    Timestream Navigator     and put it onto the battlefield.
  3. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 340 decks according to EDHREC.
footer