How can you create a combo with Heartless Hidetsugu, Torbran, Thane of Red Fell, Umbral Mantle?
user
[START OF COMBO]This combo can be formed with Heartless Hidetsugu, Torbran, Thane of Red Fell, Umbral Mantle

Color identity: R
Mana cost: {9}
Steps:
  1. Equip Umbral Mantle to and then tap Hidetsugu.
  2. Untap using Umbral Mantle's ability.
  3. Repeat two times and then tap Hidetsugu once more.[END OF COMBO STEPS]

Result:
  - Lethal damage to opponents not at some specific life totals[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Hidetsugu does not have summoning sickness.
  - Opponents' life totals are NOT 1, 5, 6, 13 through 16, 29 through 36, or greater than 60.
[END OF COMBO PREREQUISITES]
assistant