Time Sieve + Academy Manufactor + Tireless Tracker + Boros Garrison + Tippy-Toe, Terrific Partner

Time Sieve

Academy Manufactor

Tireless Tracker

Boros Garrison

Tippy-Toe, Terrific Partner

How it works

1. Play Boros Garrison.
2. When Boros Garrison enters, it and Tireless Tracker trigger
3. Resolve the Boros Garrison 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 Tippy-Toe.
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.