Altar of Dementia + Mortuary + Pitiless Plunderer + The Lunar Whale

UB identity

Commander legal

The 4 combo pieces

What must be in place

You control a nontoken creature that can be cast using one colored mana.

How to execute it

  1. Activate Altar of Dementia by sacrificing the nontoken creature.
  2. When the creature dies, Mortuary and Pitiless Plunderer trigger.
  3. Resolve the Mortuary trigger, putting the creature from your graveyard onto the top of your library.
  4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
  5. Resolve the Altar of Dementia ability.
  6. Activate the Treasure by tapping and sacrificing it, adding one mana of any color.
  7. Cast the creature from the top of your library by paying its mana cost
  8. Repeat.

What the combo produces