Requires

Time Sieve must be on the battlefield. Tamiyo's Journal must be on the battlefield. Academy Manufactor must be in hand. Double Major must be in hand. You control at least five additional artifacts. Mana needed:

Steps

1. Cast Academy Manufactor by paying .
2. Holding priority, cast Double Major by paying , copying Academy Manufactor.
3. Resolve both Academy Manufactor spells.
4. Activate Time Sieve by tapping it and sacrificing five artifacts, causing you to take an extra turn after this one.
5. Move to your next turn.
6. At the beginning of your upkeep, Tamiyo's Journal triggers, creating three Food, three Clue, and three Treasure tokens.
7. Repeat from step 4.

Results