Hoard Robber + Time Sieve + Academy Manufactor + Double Major

Hoard Robber

Time Sieve

Academy Manufactor

Double Major

How it works

1. Cast Academy Manufactor for 3.
2. Holding priority, cast Double Major for targeting Academy Manufactor, copying the spell.
3. Allow the copy and the original to resolve.
4. Move to your combat step.
5. Attack with Hoard Robber.
6. Hoard Robber triggers on combat damage to a player, creating three Treasure tokens, three Food tokens, and three Clue tokens.
7. Activate Time Sieve's ability by tapping Time Sieve and sacrificing five artifacts you control, taking an extra turn after this one.
8. Repeat from step 5.