Derevi, Empyrial Tactician + Empowered Autogenerator + Phyrexian Altar

Mana needed: {U}

GWU identity

Commander legal

The 3 combo pieces

What must be in place

Empowered Autogenerator has at least two charge counters on it.
{G}, {W} or

How to execute it

  1. Activate Empowered Autogenerator by tapping it, putting a charge counter on it and adding {G}, {W} or {U} for each charge counter on it.
  2. Activate Phyrexian Altar by sacrificing Derevi, adding {G}, {W} or {U}.
  3. Choose to have Derevi returned to the command zone from your graveyard.
  4. Activate Derevi by paying {1}{G}{W}{U}, putting it onto the battlefield from the command zone.
  5. Derevi enters the battlefield, untapping Empowered Autogenerator.
  6. Repeat.

What the combo produces