How can you create a combo with Ill-Tempered Loner // Howlpack Avenger, Fiendlash?
user
[START OF COMBO]This combo can be formed with Ill-Tempered Loner // Howlpack Avenger, Fiendlash

Color identity: R
Mana cost: 
Steps:
  1. Deal damage to the indestructible creature.
  2. Fiendlash and Howlpack Avenger trigger.
  3. Resolve the Fiendlash trigger, dealing at least two damage to any player or planeswalker.
  4. Resolve the Howlpack Avenger trigger, dealing at least one damage to the indestructible creature.
  5. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Infinite damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - You control an indestructible creature.
  - Fiendlash attached to the indestructible creature.
  - You have a way to deal damage to the indestructible creature.
[END OF COMBO PREREQUISITES]
assistant