How can you create a combo with Patron of the Moon, Archelos, Lagoon Mystic, Arid Archway?
user
[START OF COMBO]This combo can be formed with Patron of the Moon, Archelos, Lagoon Mystic, Arid Archway

Color identity: BGU
Mana cost: {1}
Steps:
  1. Activate Patron of the Moon by paying {1}, putting Arid Archway from your hand onto the battlefield untapped due to Archelos.
  2. When Arid Archway enters the battlefield, it triggers.
  3. Holding priority, activate Arid Archway by tapping it, adding {C}{C}.
  4. Resolve the Arid Archway trigger from step 2, returning it from the battlefield to your hand.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Patron of the Moon must be on the battlefield
  - Archelos, Lagoon Mystic must be on the battlefield
  - Arid Archway must be in your hand
  - Archelos is untapped.
[END OF COMBO PREREQUISITES]
assistant