Infinite Reflection attached to any creature you control that does not have a cycling ability.
You have discarded at least two cards this turn.
({1} magic symbol) (at most) available.
Steps
Cast Hollow One either from your hand or from your graveyard by paying at most ({1} magic symbol) , causing it to enter the battlefield as a copy of the creature with Infinite Reflection attached.
Activate Thermopod's second ability by sacrificing Hollow One, adding ({R} magic symbol) .
If you cast Hollow One from your graveyard, Hollow One is not exiled by Abandoned Sarcophagus due to Infinite Reflection removing Hollow One's cycling ability.
Repeat.
If you have discarded three or more cards this turn, this combo nets infinite red mana.