How can you create a combo with Derevi, Empyrial Tactician, Deadeye Navigator, Faeburrow Elder?
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[START OF COMBO]This combo can be formed with Derevi, Empyrial Tactician, Deadeye Navigator, Faeburrow Elder

Color identity: GWU
Mana cost: 
Steps:
  1. Activate Faeburrow Elder by tapping it, adding at least {G}{W}{U}.
  2. Activate Derevi by paying {1}{U}, blinking it.
  3. Deadeye Navigator and Derevi trigger.
  4. Resolve the Deadeye Navigator trigger, repairing Deadeye Navigator and Derevi.
  5. Resolve the Derevi trigger, untapping Faeburrow Elder.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite non-blue mana of colors among permanents you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Faeburrow Elder does not have summoning sickness.
  - Deadeye Navigator paired with Derevi.
[END OF COMBO PREREQUISITES]
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