How can you create a combo with Muldrotha, the Gravetide, Kaya's Ghostform, Altar of Dementia, Lotus Petal?
user
[START OF COMBO]This combo can be formed with Muldrotha, the Gravetide, Kaya's Ghostform, Altar of Dementia, Lotus Petal

Color identity: BGU
Mana cost: 
Steps:
  1. Activate Altar of Dementia by sacrificing Muldrotha.
  2. Kaya's Ghostform triggers, returning Muldrotha to the battlefield.
  3. Resolve the Altar of Dementia's ability, causing target player to mill six cards.
  4. Activate Lotus Petal by sacrificing it, adding {B}.
  5. Cast Kaya's Ghostform from your graveyard by paying {B}, targeting Muldrotha.
  6. Cast Lotus Petal from your graveyard by paying {0}.
  7. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - Kaya's Ghostform attached to Muldrotha.
[END OF COMBO PREREQUISITES]
assistant