How can you create a combo with Sage of Hours, Isochron Scepter, Bioshift, Workshop Elders, Tamiyo's Journal?
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[START OF COMBO]This combo can be formed with Sage of Hours, Isochron Scepter, Bioshift, Workshop Elders, Tamiyo's Journal

Color identity: GU
Mana cost: {2} each turn
Steps:
  1. At the beginning of your upkeep, Tamiyo's Journal triggers, creating a Clue artifact token.
  2. At the beginning of your combat phase, Workshop Elders triggers, causing the Clue to become a 0/0 artifact creature token and putting four +1/+1 counters on it.
  3. Activate Isochron Scepter by paying {2} and tapping it, casting a copy of Bioshift without paying its mana cost, targeting the Clue that has +1/+1 counters on it and Sage of Hours.
  4. Sage of Hours triggers, putting a +1/+1 counter on itself.
  5. Resolve Bioshift, moving the four +1/+1 counters from the Clue onto Sage of Hours.
  6. The Clue dies as a state-based action due to having 0 toughness.
  7. Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
  8. Repeat each turn.[END OF COMBO STEPS]

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

Other prerequisites:
  - Sage of Hours must be on the battlefield
  - Isochron Scepter must be on the battlefield
  - Bioshift must be exiled
  - Workshop Elders must be on the battlefield
  - Tamiyo's Journal must be on the battlefield
[END OF COMBO PREREQUISITES]
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