How can you create a combo with Shelob, Child of Ungoliant, Tajuru Archer, Astral Dragon, Arcane Adaptation?
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[START OF COMBO]This combo can be formed with Shelob, Child of Ungoliant, Tajuru Archer, Astral Dragon, Arcane Adaptation

Color identity: BGU
Mana cost: {2}{G}
Steps:
  1. Cast Tajuru Archer by paying {2}{G}.
  2. When Tajuru Archer enters the battlefield, it triggers, dealing at least three damage to Astral Dragon.
  3. Astral Dragon dies as a state-based action due to Tajuru Archer's deathtouch, granted to it by Shelob and Arcane Adaptation.
  4. Shelob triggers, creating a token copy of Astral Dragon that is a Food artifact.
  5. When the token Astral Dragon enters the battlefield, it triggers, creating two token copies of itself that are 3/3 Dragons in addition to its other types.
  6. When the Astral Dragon creature tokens enter the battlefield, they trigger, targeting the Astral Dragon Food token and, optionally, any other noncreature permanent.
  7. Resolve the first Astral Dragon creature token trigger, creating two token copies of the Astral Dragon Food token that are 3/3 Dragons in addition to its other types.
  8. Repeat from step 6.
  9. If you chose to target a different permanent in step 6, you may resolve those abilities, creating infinite copies of any noncreature permanent.[END OF COMBO STEPS]

Result:
  - Infinite copies of noncreature permanents
  - Infinite creature tokens
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Shelob, Child of Ungoliant must be on the battlefield
  - Tajuru Archer must be in your hand
  - Astral Dragon must be on the battlefield
  - Arcane Adaptation must be on the battlefield
  - "Spider" chosen with Arcane Adaptation.
[END OF COMBO PREREQUISITES]
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