Academy Manufactor + Helm of the Host + Tamiyo's Journal + Time Sieve

UB identity

Commander legal

The 4 combo pieces

What must be in place

Helm of the Host attached to Academy Manufactor.
You control at least five additional artifacts.

How to execute it

  1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Academy Manufactor with haste.
  2. Activate Time Sieve by tapping it and sacrificing five artifacts, causing you to take an extra turn after this one.
  3. Move to your next turn.
  4. At the beginning of your upkeep, Tamiyo's Journal triggers, creating three Food, three Clue, and three Treasure artifact tokens.
  5. Repeat from step 2.

What the combo produces