Emiel the Blessed + Phyrexian Altar + Prowling Geistcatcher

WBG identity

Commander legal

The 3 combo pieces

What must be in place

You control at least four other nontoken creatures.

How to execute it

  1. Activate Phyrexian Altar four times by sacrificing four other nontoken creatures, adding four mana of any color(s).
  2. Prowling Geistcatcher triggers four times, exiling the sacrificed creatures from your graveyard.
  3. Activate Emiel by paying {3}, blinking Prowling Geistcatcher.
  4. Prowling Geistcatcher leaves the battlefield, returning all creature cards exiled with it to the battlefield.
  5. Repeat.

What the combo produces