Phyrexian Altar + Rancor + Tormod, the Desecrator

BG identity

Commander legal

The 3 combo pieces

What must be in place

Rancor attached to any other creature.

How to execute it

  1. Activate Phyrexian Altar by sacrificing the creature with Rancor attached, adding {G}.
  2. Rancor leaves the battlefield, returning itself from your graveyard to your hand.
  3. Tormod triggers, creating a 2/2 Zombie creature token.
  4. Cast Rancor by paying {G}, attaching it to the Zombie.
  5. Repeat.

What the combo produces