How can you create a combo with Skyshroud Ranger, Amulet of Vigor, Pemmin's Aura, Azorius Chancery?
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[START OF COMBO]This combo can be formed with Skyshroud Ranger, Amulet of Vigor, Pemmin's Aura, Azorius Chancery

Color identity: GWU
Mana cost: 
Steps:
  1. Activate Skyshroud Ranger by tapping it, putting Azorius Chancery onto the battlefield from your hand.
  2. When Azorius Chancery enters the battlefield, it and Amulet of Vigor trigger.
  3. Resolve the Amulet of Vigor trigger, untapping Azorius Chancery.
  4. Activate Azorius Chancery by tapping it, adding {W}{U}.
  5. Resolve the Azorius Chancery trigger from step 2, returning it to your hand from the battlefield.
  6. Activate Pemmin's Aura's first ability by paying {U}, untapping Skyshroud Ranger.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite landfall triggers
  - Infinite white mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Skyshroud Ranger must be on the battlefield
  - Amulet of Vigor must be on the battlefield
  - Pemmin's Aura must be on the battlefield
  - Azorius Chancery must be in your hand
  - Pemmin's Aura attached to Skyshroud Ranger.
  - Skyshroud Ranger does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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