Time Sieve + Academy Manufactor + Gruul Turf + Anointed Procession + Tireless Tracker

Time Sieve

Academy Manufactor

Gruul Turf

Anointed Procession

Tireless Tracker

How it works

1. Play Gruul Turf.
2. When Gruul Turf enters, it and Tireless Tracker trigger
3. Resolve the Gruul Turf trigger, returning it from the battlefield to your hand.
4. Resolve the Tireless Tracker trigger, creating two Treasure, two Clue and two Food artifact tokens due to Academy Manufactor and Anointed Procession.
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.