Time Sieve, Tamiyo's Journal, Academy Manufactor, and Clone

Prerequisites

• Time Sieve on the battlefield
• Tamiyo's Journal on the battlefield
• Academy Manufactor on the battlefield
• Clone on the battlefield

Steps

1. At the beginning of your upkeep, Tamiyo's Journal triggers, creating three Food, three Clue, and three Treasure tokens
2. Activate Time Sieve by tapping it and sacrificing five artifacts, causing you to take an extra turn after this one
3. Repeat each turn

Results

• Infinite turns