How can you create a combo with The Prismatic Piper, Rakdos, Lord of Riots, Terror of the Peaks, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with The Prismatic Piper, Rakdos, Lord of Riots, Terror of the Peaks, Altar of Dementia

Color identity: BR
Mana cost: 
Steps:
  1. Cast The Prismatic Piper from the command zone by paying {0}.
  2. Terror of the Peaks triggers, dealing 3 damage to any target opponent.
  3. Activate Altar of Dementia by sacrificing The Prismatic Piper.
  4. Choose to have The Prismatic Piper return to command zone.
  5. Resolve the Altar of Dementia's ability, causing target player to mill three cards.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite commander casts
  - Infinite damage
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - The Prismatic Piper must be in the command zone
  - Rakdos, Lord of Riots must be on the battlefield
  - Terror of the Peaks must be on the battlefield
  - Altar of Dementia must be on the battlefield
  - You are able to cast The Prismatic Piper for {0} due to Rakdos.
[END OF COMBO PREREQUISITES]
assistant