Cloud Key + Eternal Witness + Graceful Reprieve + Phyrexian Altar

Mana needed: {W}

GW identity

Commander legal

The 4 combo pieces

What must be in place

"Instant" chosen with Cloud Key.

How to execute it

  1. Cast Graceful Reprieve by paying {W}, targeting Eternal Witness.
  2. Activate Phyrexian Altar by sacrificing Eternal Witness, adding {W}.
  3. When Eternal Witness dies, Graceful Reprieve triggers, returning Eternal Witness from your graveyard to the battlefield.
  4. When Eternal Witness enters the battlefield, it triggers, returning Graceful Reprieve from your graveyard to your hand.
  5. Repeat.

What the combo produces