How can you create a combo with Shelob, Child of Ungoliant, Devoted Druid, Viridian Longbow?
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[START OF COMBO]This combo can be formed with Shelob, Child of Ungoliant, Devoted Druid, Viridian Longbow

Color identity: BG
Mana cost: 
Steps:
  1. Activate Shelob by tapping it, dealing 1 damage to Devoted Druid.
  2. Devoted Druid dies as a state-based action due to Shelob's deathtouch.
  3. Shelob triggers, creating a token copy of Devoted Druid that is a Food artifact.
  4. Activate the Devoted Druid token by tapping it, adding {G}.
  5. Activate the Devoted Druid token by putting a -1/-1 counter on it, untapping it.
  6. Repeat from step 4.[END OF COMBO STEPS]

Result:
  - Infinite green mana[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Viridian Longbow attached to Shelob.
  - Shelob does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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