How can you create a combo with Luminous Broodmoth, Felidar Guardian, Gravity Sphere, Altar of Dementia?
user
[START OF COMBO]This combo can be formed with Luminous Broodmoth, Felidar Guardian, Gravity Sphere, Altar of Dementia

Color identity: RW
Mana cost: 
Steps:
  1. Sacrifice Felidar Guardian to Altar of Dementia to mill target player for 1.
  2. Luminous Broodmoth triggers, returning Felidar Guardian to the battlefield with a flying counter on it.
  3. Felidar Guardian's ETB triggers, exiling Mystic Decree and then returning it to the battlefield.
  4. Repeat.[END OF COMBO STEPS]

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

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