Archaeomancer + Encroaching Mycosynth + Open the Vaults + Phyrexian Altar

Mana needed: {4}{W}{W}

WU identity

Commander legal

The 4 combo pieces

What must be in place

At least six additional creatures in graveyard and/or on the battlefield.

How to execute it

  1. Cast Open the Vaults by paying {4}{W}{W}, returning all nonland permanents from your graveyard to the battlefield.
  2. Archaeomancer enters the battlefield, returning Open the Vaults from your graveyard to your hand.
  3. Activate Phyrexian Altar seven times by sacrificing Archaeomancer and six other creatures, adding seven {W}.
  4. Repeat.

What the combo produces