How can you create a combo with Elvish Piper, Intruder Alarm, Tradewind Rider?
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[START OF COMBO]This combo can be formed with Elvish Piper, Intruder Alarm, Tradewind Rider

Color identity: GU
Mana cost: 
Steps:
  1. Activate a creature you control by tapping it, adding at least {G}.
  2. Activate Elvish Piper by paying {G} and tapping it, putting any creature card from your hand onto the battlefield.
  3. The creature enters the battlefield, triggering Intruder Alarm, untapping all creatures.
  4. Activate Tradewind Riders by tapping it and two other creatures you control, returning a creature card from the battlefield to your hand.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite blinking
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mana creatures you control can produce
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You have a creature card in hand.
  - Elvish Piper and Tradewind Rider do not have summoning sickness.
  - You control a creature that can tap to produce at least {G}.
  - You control at least one additional creature.
[END OF COMBO PREREQUISITES]
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