How can you create a combo with Peregrine Drake, Cloudstone Curio, Kobolds of Kher Keep?
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[START OF COMBO]This combo can be formed with Peregrine Drake, Cloudstone Curio, Kobolds of Kher Keep

Color identity: UR
Mana cost: 
Steps:
  1. Activate up to five lands by tapping them, adding at least {4}{U}.
  2. Cast Peregrine Drake by paying {4}{U}.
  3. Peregrine Drake enters the battlefield, triggering itself and Cloudstone Curio.
  4. Resolve the Peregrine Drake trigger, untapping up to five lands.
  5. Resolve the Cloudstone Curio trigger, returning Kobolds of Kher Keep from the battlefield to your hand.
  6. Cast Kobolds of Kher Keep by paying {0}.
  7. Kobolds of Kher Keep enters the battlefield, triggering Cloudstone Curio, returning Peregrine Drake from the battlefield to your hand.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Peregrine Drake must be in your hand
  - Cloudstone Curio must be on the battlefield
  - Kobolds of Kher Keep must be on the battlefield
  - You control up to five lands that can tap to produce at least {4}{U}.
[END OF COMBO PREREQUISITES]
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