Cast Worms of the Earth.
Activate That Which Was Taken, putting a divinity counter on Worms of the Earth.
Player's can not play lands or have lands enter the battlefield, and paying the cost to remove Worms of the Earth does not destroy it due to That Which Was Taken.

Lands can't enter the battlefield

Lock

Mass Land Denial

Worms of the Earth

That Which Was Taken

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Pandemonium triggers.
Holding priority, Activate Thermopod's second ability by sacrificing the Army, adding {R}.
Resolve the Pandemonium trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite red mana, with a Pandemonium trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes the Pandemonium trigger to deal infinite damage to any target.

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite red mana

Infinite creature sacrifice triggers

Infinite damage to one opponent

Fall of Cair Andros

Pandemonium

Thermopod

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Pandemonium triggers.
Holding priority, activate Phyrexian Altar by sacrificing the Army, adding one mana of any color.
Resolve the Pandemonium trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite mana, with a Pandemonium trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes the Pandemonium trigger to deal infinite damage to any target.

Infinite colored mana

Phyrexian Altar

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Warstorm Surge triggers.
Holding priority, Activate Thermopod's second ability by sacrificing the Army, adding {R}.
Resolve the Warstorm Surge trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite red mana, with a Warstorm Surge trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes the Warstorm Surge trigger to deal infinite damage to any target.

Warstorm Surge

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Warstorm Surge triggers.
Holding priority, activate Phyrexian Altar by sacrificing the Army, adding one mana of any color.
Resolve the Warstorm Surge trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite mana, with a Warstorm Surge trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes the Warstorm Surge trigger to deal infinite damage to any target.

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Terror of the Peaks triggers.
Holding priority, Activate Thermopod's second ability by sacrificing the Army, adding {R}.
Resolve the Terror of the Peaks trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite red mana, with a Terror of the Peaks trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes Terror of the Peaks to deal infinite damage to any target.

Terror of the Peaks

Activate That Which Was Taken by paying {4} and tapping it, putting a divinity counter on a creature an opponent controls with toughness six or less.
Activate Fall of Cair Andros by paying {7}{R}, dealing seven damage to the creature that has a divinity counter on it.
Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
When the Army enters the battlefield, Terror of the Peaks triggers.
Holding priority, activate Phyrexian Altar by sacrificing the Army, adding one mana of any color.
Resolve the Terror of the Peaks trigger, dealing 1 damage to the creature with a divinity counter on it.
Repeat from step 3.
Once you have infinite mana, with a Terror of the Peaks trigger on the stack, you may use Fall of Cair Andros' ability to deal infinite damage to the creature with a divinity counter on it, thus causing the Army to have infinite +1/+1 counters on it, which causes Terror of the Peaks to deal infinite damage to any target.

Combos with "That Which Was Taken"