How can you create a combo with Lagrella, the Magpie, Felidar Guardian, Cloudshift?
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[START OF COMBO]This combo can be formed with Lagrella, the Magpie, Felidar Guardian, Cloudshift

Color identity: GWU
Mana cost: {W}
Steps:
  1. Cast Cloudshift by paying {W}, blinking Lagrella.
  2. Lagrella leaves the battlefield, causing Felidar Guardian to return to the battlefield from exile.
  3. Lagrella and Felidar Guardian's enter-the-battlefield abilities trigger.
  4. Resolve the Lagrella trigger, exiling Felidar Guarrdian until Lagrella leaves the battlefield.
  5. Resolve the Felidar Guardian trigger, blinking Lagrella.
  6. Repeat from step 2.[END OF COMBO STEPS]

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

Other prerequisites:
  - Lagrella, the Magpie must be on the battlefield
  - Felidar Guardian must be exiled
  - Cloudshift must be in your hand
[END OF COMBO PREREQUISITES]
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