How can you create a combo with Tawnos, Urza's Apprentice, Mechanized Production, Myr Battlesphere?
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[START OF COMBO]This combo can be formed with Tawnos, Urza's Apprentice, Mechanized Production, Myr Battlesphere

Color identity: UR
Mana cost: {7}{U}{R}
Steps:
  1. Cast Myr Battlesphere by paying {7}.
  2. Myr Battlesphere enters the battlefield, triggering its ability.
  3. Holding priority, activate Tawnos by paying {U}{R} and tapping it, copying Myr Battlesphere's trigger.
  4. Resolve both Myr Battlesphere triggers, creating eight 1/1 Myr artifact creature tokens.
  5. At the beginning of your next upkeep, Mechanized Production triggers, creating a token copy of the artifact it is attached to and causing you to win the game.[END OF COMBO STEPS]

Result:
  - Win the game at the beginning of your next upkeep[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Tawnos, Urza's Apprentice must be on the battlefield
  - Mechanized Production must be on the battlefield
  - Myr Battlesphere must be in your hand
[END OF COMBO PREREQUISITES]
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