Cast Lightwheel Enhancements either from your hand or from your graveyard by paying , attaching it to Crimson Kobolds.
Activate Phyrexian Altar 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 0.
Repeat.
This clever loop relies on the free cost of Crimson Kobolds to create an endless cycle of sacrifice and return. By enchanting those tiny Kobolds with Lightwheel Enhancements, you give yourself a recurring target that can be continuously fed into Phyrexian Altar for mana. Whenever the Crimson Kobolds hit the graveyard, the passive rescue ability of Koll, the Forgemaster steps in to bounce the creature right back to your hand, ready to be recast for zero mana and repeated indefinitely.