Abhorrent Overlord + Cloudstone Curio + Phyrexian Altar

Mana needed: {5}{B}{B}

B identity

Commander legal

The 3 combo pieces

What must be in place

Your devotion to black is at least five.

How to execute it

  1. Cast Abhorrent Overlord by paying {5}{B}{B}.
  2. When Abhorrent Overlord enters the battlefield, it and Cloudstone Curio trigger.
  3. Resolve the Cloudstone Curio trigger, choosing to return nothing to your hand from the battlefield.
  4. Resolve the Abhorrent Overlord trigger, creating a number of 1/1 Harpy creature tokens equal to your devotion to black.
  5. When the Harpys enter the battlefield, Cloudstone Curio triggers that many times.
  6. Resolve the first Cloudstone Curio trigger, returning Abhorrent Overlord to your hand from the battlefield.
  7. Resolve all remaining Cloudstone Curio triggers, choosing to return nothing to your hand from the battlefield.
  8. Activate Phyrexian Altar seven times by sacrificing seven Harpys, adding {5}{B}{B}.
  9. Repeat.
  10. If your devotion to black excluding Abhorrent Overlord is at least six, this combo will net infinite colored mana.

What the combo produces