This ingenious engine transforms ordinary mana rocks and tokens into a limitless stream of energy by turning Karn, Silver Golem's animation ability into a forge for infinite resources. When you sacrifice a creature to Krark-Clan Ironworks, it yields the raw colorless mana you need while sending the creature to the graveyard, which immediately feeds Pitiless Plunderer to mint a fresh Treasure token. By using Karn to animate that Treasure into a 2/2 creature, you can feed it right back into the Ironworks to net a profit of mana and keep the cycle spinning. Meanwhile, Elesh Norn, Grand Cenobite stands tall as the ultimate enabler, ensuring your animated artifacts survive their own lethal mana values with a massive +2/+2 buff while entirely shutting down any X/2 or smaller threats your opponents might control.