How can you create a combo with Indestructibility, Furnace of Rath, Spitemare?
user
[START OF COMBO]This combo can be formed with Indestructibility, Furnace of Rath, Spitemare

Color identity: RW
Mana cost: 
Steps:
  1. Deal damage to Spitemare.
  2. Spitemare triggers, dealing double that damage to itself.
  3. Repeat step 2 an arbitrarily large amount of times.
  4. Spitemare triggers, dealing an arbitrarily large amount of damage to any target.[END OF COMBO STEPS]

Result:
  - Infinite damage to a single target[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Indestructibility attached to Spitemare.
  - You can deal damage to Spitemare.
[END OF COMBO PREREQUISITES]
assistant