Tree of Perdition + Dollhouse of Horrors + Pandemonium

Tree of Perdition

Dollhouse of Horrors

Pandemonium

How it works

1. Activate Dollhouse of Horrors by paying 1, tapping it and exiling Tree of Perdition from your graveyard, creating a token copy of Tree of Perdition that is a 0/0 Construct with haste.
2. The Tree of Perdition copy enters the battlefield, triggering Pandemonium.
3. Holding priority, activate the Tree of Perdition copy by tapping it, exchanging its toughness with target opponent's life total.
4. Resolve the Pandemonium trigger, causing the Tree of Perdition token to deal damage equal to its power to each opponent.
5. The opponent whose life total was swapped loses the game due to having zero or les life.

This macabre loop relies on Dollhouse of Horrors to drag Tree of Perdition back from the graveyard as a 0/0 token, leveraging the fact that its toughness matches your opponent's starting life before any modifications. As that eerie copy enters the battlefield, Pandemonium triggers to weaponize the creature's power; before that damage resolves, you tap the Tree of Perdition token to swap its toughness with that same opponent's life total, instantly dropping them to zero. Because Dollhouse of Horrors creates a Construct that inherently has zero power, the resulting Pandemonium trigger deals zero damage to finish off the dying foe, gracefully sealing their fate without any interference.