Time Sieve, Tamiyo's Journal, Academy Manufactor, and Paradox Haze

Prerequisites

• Time Sieve on the battlefield
• Tamiyo's Journal on the battlefield
• Academy Manufactor on the battlefield
• Paradox Haze on the battlefield
• Paradox Haze attached to you

Steps

1. At the beginning of your upkeep, Paradox Haze and Tamiyo's Journal trigger
2. Resolve the Paradox Haze trigger, getting an additional upkeep step after this one
3. Resolve the Tamiyo's Journal trigger, creating a Food, a Clue, and a Treasure token
4. At the beginning of your second upkeep, Tamiyo's Journal triggers, creating a Food, a Clue, and a Treasure token
5. Activate Time Sieve by tapping it and sacrificing five artifacts, causing you to take an extra turn after this one
6. Repeat each turn

Results

• Infinite turns