Archaeomancer + Encroaching Mycosynth + Phyrexian Altar + Scrap Mastery

Mana needed: {3}{R}{R}

UR identity

Commander legal

The 4 combo pieces

What must be in place

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

How to execute it

  1. Cast Scrap Mastery by paying {3}{R}{R}, swapping all nonland permanents you control for all nonland permanents in your graveyard.
  2. Archaeomancer enters the battlefield, returning Scrap Mastery from your graveyard to your hand.
  3. Activate Phyrexian Altar five times by sacrificing Archaeomancer and four other creatures, adding {R}{R}{R}{R}{R}.
  4. Repeat.

What the combo produces