How can you create a combo with Cass, Hand of Vengeance, Griffin Guide, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Cass, Hand of Vengeance, Griffin Guide, Altar of Dementia

Color identity: RW
Mana cost: 
Steps:
  1. Activate Altar of Dementia by sacrificing the creature with Griffin Guide attached.
  2. When the creature dies, Cass and Griffin Guide trigger.
  3. Resolve the Griffin Guide trigger, creating a 2/2 Griffin creature token.
  4. Resolve the Cass trigger, returning Griffin Guide from your graveyard to the battlefield attached to the Griffin token.
  5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite mill
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant