Karmic Guide + Phyrexian Altar + Prowling Geistcatcher

WB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Karmic Guide, adding one mana of any color.
  2. When Karmic Guide dies, Prowling Geistcatcher's first ability triggers, exiling Karmic Guide from your graveyard.
  3. Activate Phyrexian Altar by sacrificing Prowling Geistcatcher, adding one mana of any color.
  4. When Prowling Geistcatcher dies, its second ability triggers, returning Karmic Guide from exile to the battlefield.
  5. When Karmic Guide enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield.
  6. Repeat.

What the combo produces