Elvish Regrower + Kaya's Ghostform + Phyrexian Altar

BG identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Elvish Regrower, adding {B}.
  2. When Elvish Regrower dies, Kaya's Ghostform triggers, returning Elvish Regrower from your graveyard to the battlefield.
  3. When Elvish Regrower enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to your hand.
  4. Cast Kaya's Ghostform by paying {B}, attaching it to Elvish Regrower.
  5. Repeat.

What the combo produces