How can you create a combo with Astral Dragon, Machine God's Effigy?
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[START OF COMBO]This combo can be formed with Astral Dragon, Machine God's Effigy

Color identity: U
Mana cost: {6}{U}{U}
Steps:
  1. Cast Astral Dragon by paying {6}{U}{U}.
  2. Astral Dragon enters the battlefield, targeting Machine God's Effigy.
  3. Use Machine God's Effigy's ability to have both tokens instead enter as noncreature artifact token copies of Astral Dragon with "{T}: Add {U}".
  4. Both Astral Dragon copies trigger.
  5. Repeat from step 2 any number of times, creating an additional Astral Dragon trigger on the stack each loop.
  6. Once you have infinite Astral Dragon triggers, resolve them all, creating infinite copies of all noncreature permanents that are 3/3 Dragon creatures in addition to their other types.
  7. You may also target Machine God's Effigy any number of times to create infinite noncreature artifact copies of all creatures.[END OF COMBO STEPS]

Result:
  - Infinite blue mana
  - Infinite creature token copies of all noncreature permanents
  - Infinite creature tokens
  - Infinite enters the battlefield
  - Infinite noncreature artifact token copies of all creatures[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Astral Dragon must be in your hand
  - Machine God's Effigy must be on the battlefield
[END OF COMBO PREREQUISITES]
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