How can you create a combo with Emry, Lurker of the Loch, Mirran Spy, Lotus Petal, Sai, Master Thopterist?
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[START OF COMBO]This combo can be formed with Emry, Lurker of the Loch, Mirran Spy, 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. Mirran Spy and Sai, Master Thopterist triggers.
  5. Resolve the Mirran Spy trigger, untapping Emry.
  6. Resolve the Sai, Master Thopterist trigger, creating a 1/1 Thopter token.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - 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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