Kemba, Kha Enduring + Koll, the Forgemaster + Phyrexian Altar

RW identity

Commander legal

The 3 combo pieces

What must be in place

You control a Cat with an Equipment attached that can be cast using one colored mana.

How to execute it

  1. Activate Phyrexian Altar by sacrificing the Cat, adding one mana of any color.
  2. The Cat dies, triggering Koll, returning the Cat from your graveyard to your hand.
  3. Cast the Cat by paying its mana cost.
  4. The Cat enters the battlefield, triggering Kemba, attaching any equipment you control to the Cat.
  5. Repeat.

What the combo produces