How can you create a combo with Ugin's Nexus, Isochron Scepter, Vision Charm, Mechanized Production?
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[START OF COMBO]This combo can be formed with Ugin's Nexus, Isochron Scepter, Vision Charm, Mechanized Production

Color identity: U
Mana cost: {2} each turn
Steps:
  1. At the beginning of your upkeep, Mechanized Production triggers, creating a token copy of Ugin's Nexus.
  2. Put the Ugin's Nexus token into your graveyard due to the legend rule.
  3. The Ugin's Nexus token is exiled instead of being put into your graveyard, causing you to take an extra turn after this one.
  4. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Vision Charm without paying its mana cost.
  5. Resolve the copy of Vision Charm, causing Ugin's Nexus to phase out until your next untap step.
  6. Move to your next turn, causing Ugin's Nexus to phase in during your untap step.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Ugin's Nexus must be on the battlefield
  - Isochron Scepter must be on the battlefield
  - Vision Charm must be exiled
  - Mechanized Production must be on the battlefield
[END OF COMBO PREREQUISITES]
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