Time Sieve + Academy Manufactor + Guildless Commons + Primal Vigor + Tireless Provisioner

Time Sieve

Academy Manufactor

Guildless Commons

Primal Vigor

Tireless Provisioner

How it works

1. Play Guildless Commons.
2. When Guildless Commons enters, it and Tireless Provisioner trigger
3. Resolve the Guildless Commons trigger, returning it from the battlefield to your hand.
4. Resolve the Tireless Provisioner trigger, creating two Treasure, two Clue and two Food artifact tokens due to Academy Manufactor and Primal Vigor.
5. Activate Time Sieve by tapping it and sacrificing five of the artifact tokens, causing you to take an extra turn after this one.
6. Repeat each turn.