How can you create a combo with Emry, Lurker of the Loch, Chakram Retriever, Lotus Petal?
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[START OF COMBO]This combo can be formed with Emry, Lurker of the Loch, Chakram Retriever, Lotus Petal

Color identity: U
Mana cost: 
Steps:
  1. Activate Lotus Petal by tapping and sacrificing it, adding one mana of any color.
  2. Activate Emry by tapping it, targeting Lotus Petal.
  3. Cast Lotus Petal from your graveyard by paying {0}.
  4. Chakram Retriever triggers, untapping Emry.
  5. Lotus Petal resolves.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Emry does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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