Fall of Cair Andros + That Which Was Taken + Pandemonium + Thermopod

Fall of Cair Andros

That Which Was Taken

Pandemonium

Thermopod

How it works

1. 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.
2. Activate Fall of Cair Andros by paying 7, dealing seven damage to the creature that has a divinity counter on it.
3. Fall of Cair Andros triggers, creating a 0/0 Army and putting at least one +1/+1 counter on it.
4. When the Army enters the battlefield, Pandemonium triggers.
5. Holding priority, Activate Thermopod's second ability by sacrificing the Army, adding .
6. Resolve the Pandemonium trigger, dealing 1 damage to the creature with a divinity counter on it.
7. Repeat from step 3.
8. 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.