How can you create a combo with Tree of Perdition, Star of Extinction, Stuffy Doll?
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[START OF COMBO]This combo can be formed with Tree of Perdition, Star of Extinction, Stuffy Doll

Color identity: BR
Mana cost: {5}{R}{R}
Steps:
  1. Activate Tree of Perdition targeting the opponent chosen with Stuffy Doll, exchanging their life total with Tree of Perdition's toughness.
  2. Cast Star of Extinction for {5}{R}{R}, destroying target land and dealing 20 damage to all creatures and planeswalkers.
  3. Stuffy Doll triggers, dealing 20 damage to that same opponent.[END OF COMBO STEPS]

Result:
  - Target player takes a lethal amount of damage[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Tree of Perdition must be on the battlefield
  - Star of Extinction must be in your hand
  - Stuffy Doll must be on the battlefield
  - Tree of Perdition does not have summoning sickness.
  - Any opponent chosen with Stuffy Doll.
[END OF COMBO PREREQUISITES]
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