Requires

Hostility must be on the battlefield. Reiterate must be in hand. Thud must be in hand. Thermopod must be on the battlefield. Mana needed:

Steps

1. Cast Thud by paying and sacrificing a creature you control with power seven or greater.
2. Holding priority, cast Reiterate with buyback by paying , creating a copy of Thud and returning Reiterate to your hand.
3. Resolve the Thud copy, causing you to create at least seven 3/1 Elemental Shaman creature tokens with haste due to Hostility.
4. Activate Thermopod seven times by sacrificing seven Elemental Shamans, adding seven .
5. Repeat from step 2 an arbitrarily large number of times.
6. Activate Thermopod's second ability by sacrificing Hostility, adding .
7. Hostility dies, shuffling itself into your library from your graveyard.
8. Cast Reiterate with buyback by paying , creating a copy of Thud and returning Reiterate to your hand.
9. Resolve the Thud copy, dealing at least seven damage to any target.
10. Repeat from step 8.

Results