How can you create a combo with Obosh, the Preypiercer, Heartless Hidetsugu, Glacial Chasm?
user
[START OF COMBO]This combo can be formed with Obosh, the Preypiercer, Heartless Hidetsugu, Glacial Chasm

Color identity: BR
Mana cost: 
Steps:
  1. Tap Heartless Hidetsugu to deal opponent life equal to their lifetotal.[END OF COMBO STEPS]

Result:
  - Damage equal to each opponents life total to them[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Opponents at an even life total.
[END OF COMBO PREREQUISITES]
assistant