Activate the Equipment by paying its equip cost, attaching it to Crimson Kobolds.
Activate Thermopod by sacrificing Crimson Kobolds, adding .
When Crimson Kobolds dies, Koll triggers, returning Crimson Kobolds from your graveyard to your hand.
Cast Crimson Kobolds by paying its mana cost.
Repeat.
This clever loop harnesses the zero-mana cost of Crimson Kobolds to churn through your death and sacrifice triggers endlessly. By relying on Thermopod to turn each sacrificed Kobold into a red mana, you generate the exact fuel needed to recast it from your hand. Meanwhile, Koll, the Forgemaster sits quietly on the battlefield providing the crucial recursive safety net, instantly returning the fallen Kobold to your hand whenever it meets its end while equipped.