How can you create a combo with Mishra, Eminent One, Gonti's Aether Heart, Lithoform Engine?
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[START OF COMBO]This combo can be formed with Mishra, Eminent One, Gonti's Aether Heart, Lithoform Engine

Color identity: UBR
Mana cost: {2} each turn
Steps:
  1. At the beginning of your combat phase, Mishra triggers.
  2. Holding priority, activate Lithoform Engine's first ability by paying {2} and tapping it, copying Mishra's trigger.
  3. Resolve the first Mishra trigger, creating a 4/4 artifact creature token copy of Gonti's Aether Heart named Mishra's Warform.
  4. When Mishra's Warform enters the battlefield, it and Gonti's Aether Heart trigger, causing you to get four energy counters.
  5. Resolve the second Mishra trigger from step 1,  creating a 4/4 artifact creature token copy of Gonti's Aether Heart named Mishra's Warform.
  6. Put either Mishra's Warform into your graveyard due to the legend rule.
  7. When the second Mishra's Warform enters the battlefield, both Mishra's Warforms and Gonti's Aether Heart trigger, causing you to get six energy counters.
  8. Activate the remaining Mishra's Warform by paying eight energy counters and exiling it, causing you to take an extra turn after this one.
  9. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
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