How can you create a combo with Forerunner of the Coalition, Timestream Navigator, Teleportation Circle?
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[START OF COMBO]This combo can be formed with Forerunner of the Coalition, Timestream Navigator, Teleportation Circle

Color identity: WUB
Mana cost: {2}{U}{U} the first turn, with {3}{U}{U}{U} available each extra turn
Steps:
  1. Activate Timestream Navigator by paying {2}{U}{U}, tapping and putting it on the bottom of your library, causing you to take an extra turn after this one.
  2. At the beginning of your end step, Teleportation Circle triggers, blinking Forerunner of the Coalition.
  3. Forerunner of the Coalition enters, triggering its first ability, causing you to search your library for Timestream Navigator and put it on top of your library.
  4. Move to your next turn, drawing Timestream Navigator during your draw phase.
  5. Cast Timestream Navigator by paying {1}{U}.
  6. Timestream Navigator enters the battlefield, triggering Forerunner of the Coalition's second ability, causing each opponent to lose 1 life.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - 
  - You have the city's blessing.
  - You have an effect that grants Timestream Navigator haste each turn.
[END OF COMBO PREREQUISITES]
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