Time Sieve, Academy Manufactor, Oboro, Palace in the Clouds, Tireless Provisioner, and Peregrin Took

Prerequisites

• Time Sieve on the battlefield
• Academy Manufactor on the battlefield
• Oboro, Palace in the Clouds in hand
• Tireless Provisioner on the battlefield
• Peregrin Took on the battlefield

Steps

1. Play Oboro, Palace in the Clouds
2. Oboro, Palace in the Clouds enters the battlefield, triggering Tireless Provisioner, causing you to create two Treasure, two Clue and two Food artifact tokens due to Academy Manufactor and Peregrin Took
3. Activate Time Sieve by tapping it and sacrificing five of the artifact tokens, causing you to take an extra turn after this one
4. Activate Oboro's first ability by tapping it, adding
5. Activate Oboro's second ability by paying , returning it from the battlefield to your hand
6. Repeat each turn

Results

• Infinite turns
• Lock