Foundry Inspector + Myr Retriever + Phyrexian Altar + and 2 others

U identity

Commander legal

The 5 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Workshop Assistant, adding {1}.
  2. Workshop Assistant dies, returning Myr Retriever from your graveyard to your hand.
  3. Cast Myr Retriever by paying {1}.
  4. Sai triggers, creating a 1/1 Thopter artifact creature token.
  5. Activate Phyrexian Altar twice by sacrificing the Thopter and Myr Retriever, adding {2}.
  6. Myr Retriever dies, returning Workshop Assistant from your graveyard to your hand.
  7. Cast Workshop Assistant by paying {2}.
  8. Sai triggers, creating a 1/1 Thopter artifact creature token.
  9. Repeat.
  10. Once you have infinite colored mana and creature tokens, you may use them to activate Sai's ability to draw infinite cards.

What the combo produces