Altar of Dementia + Kaya's Ghostform + Shepherd of the Cosmos

WB identity

Commander legal

The 3 combo pieces

What must be in place

Kaya's Ghostform attached to Shepherd of the Cosmos.

How to execute it

  1. Activate Altar of Dementia by sacrificing Shepherd of the Cosmos.
  2. When Shepherd of the Cosmos dies, Kaya's Ghostform triggers, returning Shepherd of the Cosmos from your graveyard to the battlefield.
  3. When Shepherd of the Cosmos enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to the battlefield attached to Shepherd of the Cosmos.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Shepherd of the Cosmos' power.
  5. Repeat.

What the combo produces