the front side of Timestream Navigator
the back of a classic MtG card
the front side of Flameshadow Conjuring
the back of a classic MtG card
the front side of Riptide Laboratory
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Timestream Navigator in hand.
  2.  Flameshadow Conjuring and Riptide Laboratory on the battlefield.

Notable Prerequisites

  1. You have the city's blessing and/or control at least eight permanents.

Mana Needed

  1. ({3} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({U} magic symbol)  ({R} magic symbol)   each turn available.

Steps

  1. Cast Timestream Navigator by paying ({1} magic symbol)  ({U} magic symbol)  .
  2. If you don't have the city's blessing and control ten or more permanents, Timestream Navigator gives you the city's blessing.
  3. When Timestream Navigator enters the battlefield, Flameshadow Conjuring triggers, causing you to pay ({R} magic symbol)   to create a token copy of Timestream Navigator with haste.
  4. If you don't have the city's blessing, the Timestream Navigator token gives you the city's blessing.
  5. Activate Crystal Shard by paying ({3} magic symbol)   or ({U} magic symbol)   and tapping it, returning the nontoken Timestream Navigator to your hand from the battlefield.
  6. Activate the Timestream Navigator token 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.
  7. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 237 decks according to EDHREC.
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