How can you create a combo with Dr. Madison Li, Decoction Module, Thornbite Staff, Myr Battlesphere, Altar of Dementia?
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[START OF COMBO]This combo can be formed with Dr. Madison Li, Decoction Module, Thornbite Staff, Myr Battlesphere, Altar of Dementia

Color identity: URW
Mana cost: 
Steps:
  1. Activate Dr Madison Li's third ability by tapping it and paying {E}{E}{E}{E}{E}, returning Myr Battlesphere from your graveyard to the battlefield.
  2. When Myr Battlepshere enters the battlefield, it and Decoction Module trigger.
  3. Resolve the Myr Battlesphere trigger, creating four 1/1 Myr artifact creature tokens.
  4. When the Myrs enter the battlefield, Decoction Module triggers four times.
  5. Resolve all Decoction Module triggers, causing you to get {E}{E}{E}{E}{E}.
  6. Activate Altar of Dementia by sacrificing Myr Battlesphere.
  7. When Myr Battlesphere dies, Dr Madison Li triggers, untapping itself.Resolve the Altar of Dementia ability, causing target player to mill cards equal to Myr Battlesphere's power.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite mill
  - Infinite sacrifice triggers
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Dr. Madison Li must be on the battlefield
  - Decoction Module must be on the battlefield
  - Thornbite Staff must be on the battlefield
  - Myr Battlesphere must be in the graveyard
  - Altar of Dementia must be on the battlefield
  - Dr Madison Li does not have summoning sickness.
  - Thornbite Staff attached to Dr Madison Li.
  - You have at least five energy counters.
[END OF COMBO PREREQUISITES]
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