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

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 and Sai, Master Thopterist both trigger.
  5. Resolve the Chakram Retriever trigger, untapping Emry.
  6. Resolve the Sai, Master Thopterist trigger, creating a 1/1 Thopter token.
  7. Lotus Petal resolves.
  8. Repeat any number of times.
  9. Activate Sai by paying {1}{U} and sacrificing two Thopter tokens to draw a card.
  10. Repeat the previous step any number of times.[END OF COMBO STEPS]

Result:
  - Infinite card draw
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite draw triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - 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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