the front side of Timestream Navigator
the back of a classic MtG card
the front side of Phyrexian Devourer
the back of a classic MtG card

Color Identity: U

Initial Card State

  1.  Timestream Navigator and Phyrexian Devourer on the battlefield.

Notable Prerequisites

  1. You have the city's blessing.

Mana Needed

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

Steps

  1. During your upkeep step, activate Phyrexian Devourer by exiling the top card of your library.
  2. Repeat step 1 until you have an empty library.
  3. Resolve all Phyrexian Devourer abilities, eventually causing you to sacrifice it.
  4. Activate 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.
  5. Move to your draw step, drawing Timestream Navigator from your library.
  6. Cast Timestream Navigator by paying ({1} magic symbol)  ({U} magic symbol)  .
  7. Move to your next turn.
  8. During your upkeep step, activate 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.
  9. Repeat from step 5.

Results

  1. Infinite turns.

Metadata

  1. In 16 decks according to EDHREC.
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