MTG >Combos >Krark-Clan Ironworks +Myr Propagator +Lightning Greaves +Zirda, the Dawnwaker +

Zirda reduces the cost of your permanents' abilities by two mana. Pay one mana and tap Myr Propagator to copy it Sacrifice Myr Propagator with Krark-Clan Ironworks to add two mana Equip the copy of Myr Propagator with Lightning Greaves Repeat the process for infinite mana.