Altar of Dementia + Bontu's Monument + Gwenom, Remorseless + Mortuary

B identity

Commander legal

The 4 combo pieces

What must be in place

You control an additional nontoken creature with mana value 1 or less.
Gwenom has attacked this turn.

How to execute it

  1. Activate Altar of Dementia by sacrificing a creature with mana value 1 or less.
  2. When the creature dies, Mortuary triggers, putting the creature from your graveyard onto the top of your library.
  3. Resolve the Altar of Dementia ability.
  4. Cast the creature from the top of your library by paying 1 life.
  5. Bontu's Monument triggers, causing you to gain 1 life and each opponent to lose 1 life.
  6. Repeat.

What the combo produces