How can you create a combo with Lurrus of the Dream-Den, Kaya's Ghostform, Pitiless Plunderer, Yahenni, Undying Partisan?
user
[START OF COMBO]This combo can be formed with Lurrus of the Dream-Den, Kaya's Ghostform, Pitiless Plunderer, Yahenni, Undying Partisan

Color identity: WB
Mana cost: 
Steps:
  1. Activate Yahenni by sacrificing Lurrus of the Dream-Den.
  2. When Lurrus of the Dream-Den dies, Kaya's Ghostform and Pitiless Plunderer trigger.
  3. Resolve the Kaya's Ghostform trigger, returning Lurrus of the Dream-Den from your graveyard to the battlefield.
  4. Resolve the Pitiless Plunderer trigger, creating a Treasure token.
  5. Resolve the Yahenni ability, giving it indestructible until end of turn.
  6. Activate the Treasure by tapping and sacrificing it, adding {B}.
  7. Cast Kaya's Ghostform from your graveyard by paying {B}, attaching it to Lurrus of the Dream-Den.
  8. Repeat.[END OF COMBO STEPS]

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

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