Sage of Hours + Isochron Scepter + Bioshift + Workshop Elders + Tamiyo's Journal

Prerequisites

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Steps

1. 1At the beginning of your upkeep, Tamiyo's Journal triggers, creating a Clue artifact token.
2. 2At 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. 3Activate Isochron Scepter by paying 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. 4Sage of Hours triggers, putting a +1/+1 counter on itself.
5. 5Resolve Bioshift, moving the four +1/+1 counters from the Clue onto Sage of Hours.
6. 6The Clue dies as a state-based action due to having 0 toughness.
7. 7Activate Sage of Hours by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one.
8. 8Repeat each turn.

Effects

• Infinite turns
• Lock