Activate Krark-Clan Ironworks by sacrificing another permanent, adding ({C} magic symbol) ({C} magic symbol) .
Because the permanent is a Clue artifact due to Mycosynth Lattice and Senator Peacock, Ulvenwald Mysteries' second ability triggers, creating a 1/1 Human Soldier creature token that is also a Clue artifact.
Repeat.
Once you have infinite mana, you may instead sacrifice the Human Soldiers to their own abilities to draw infinite cards.