Myr Propagator + Krark-Clan Ironworks + Lightning Greaves + Anointed Procession

Myr Propagator

Krark-Clan Ironworks

Lightning Greaves

Anointed Procession

How it works

1. Activate Lightning Greaves' equip ability by paying 0, attaching it to Myr Propagator.
2. Activate Myr Propagator by paying 3 and tapping it, creating two token copies of itself.
3. Activate Krark-Clan Ironworks twice by sacrificing the tapped Myr Propagator and a Myr Propagator token, adding CCCC.
4. Repeat.
5. Once you have infinite mana, you may forego sacrificing the Myr Propagator tokens.

This clever loop gets its exponential engine running thanks to Anointed Procession, which turns Myr Propagator's cloning ability into a double-token bonanza. With Lightning Greaves keeping your original Myr Propagator safe with shroud while its equip cost rests comfortably at zero, you can freely tap, sacrifice, and recast the setup. Krark-Clan Ironworks serves as the perfect fuel source, turning those freshly minted copies into a mountain of colorless mana to sustain the loop indefinitely.