How can you create a combo with Archelos, Lagoon Mystic, Zimone, Quandrix Prodigy, Retreat to Coralhelm, Golgari Rot Farm?
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[START OF COMBO]This combo can be formed with Archelos, Lagoon Mystic, Zimone, Quandrix Prodigy, Retreat to Coralhelm, Golgari Rot Farm

Color identity: BGU
Mana cost: {1}
Steps:
  1. Activate Zimone's first ability by paying {1} and tapping it, putting Golgari Rot Farm from your hand onto the battlefield untapped due to Archelos.
  2. Golgari Rot Farm enters the battlefield, triggering itself and Retreat to Coralhelm.
  3. Activate Golgari Rot Farm by tapping it, adding {B}{G}.
  4. Resolve the Golgari Rot Farm trigger from step 2, returning itself from the battlefield to your hand.
  5. Resolve the Retreat to Coralhelm trigger, untapping Zimone.
  6. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Archelos, Lagoon Mystic must be on the battlefield
  - Zimone, Quandrix Prodigy must be on the battlefield
  - Retreat to Coralhelm must be on the battlefield
  - Golgari Rot Farm must be in your hand
  - Zimone does not have summoning sickness.
  - Archelos is untapped.
[END OF COMBO PREREQUISITES]
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