How can you create a combo with Jinnie Fay, Jetmir's Second, Black Market Tycoon, Thornbite Staff, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Jinnie Fay, Jetmir's Second, Black Market Tycoon, Thornbite Staff, Altar of Dementia

Color identity: RGW
Mana cost: 
Steps:
  1. Activate Black Market Tycoon by tapping it, creating either a 2/2 Cat or a 3/1 Dog creature token.
  2. Activate Altar of Dementia by sacrificing the Cat or Dog.
  3. The Cat or Dog dies, triggering Black Market Tycoon, untapping Black Market Tycoon.
  4. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the sacrificed creature's power.
  5. 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
  - Thornbite Staff attached to Black Market Tycoon.
  - Black Market Tycoon does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant