How can you create a combo with Lithoform Engine, Chromatic Orrery, Tezzeret the Seeker?
user
[START OF COMBO]This combo can be formed with Lithoform Engine, Chromatic Orrery, Tezzeret the Seeker

Color identity: U
Mana cost: 
Steps:
  1. Tap Chromatic Orrery for {C}{C}{C}{C}{C}.
  2. Activate Tezzeret, targeting Lithoform engine and Chromatic Orrery.
  3. With the ability on the stack, activate Lithoform Engine, copying the ability.
  4. Target Lithoform Engine and Chromatic Orrery with the untap, and let it resolve.
  5. Repeat steps 2-3.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite untap artifacts
  - Infinite colored mana[END OF COMBO RESULT][END OF COMBO]

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