How can you create a combo with Mairsil, the Pretender, Spikeshot Elder, Tree of Perdition?
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[START OF COMBO]This combo can be formed with Mairsil, the Pretender, Spikeshot Elder, Tree of Perdition

Color identity: UBR
Mana cost: {1}{R}{R}
Steps:
  1. Activate Mairsil using Tree of Perdition's ability by tapping it, exchanging target opponent's life total with Mairsil's toughness.
  2. Activate Mairsil using Spikeshot Elder's ability by paying {1}{R}{R}, dealing damage equal to Mairsil's power to the opponent.
  3. The opponent loses the game due to having zero or less life.[END OF COMBO STEPS]

Result:
  - Target opponent loses the game[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Mairsil, the Pretender must be on the battlefield
  - Spikeshot Elder must be exiled
  - Tree of Perdition must be exiled
  - Mairsil does not have summoning sickness.
  - Mairsil's toughness is less than or equal to its power.
[END OF COMBO PREREQUISITES]
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