Could you put a breath in a spike and Hemalurgicly spike somebody. And is it possible to give a spike a Command and Hemalurgicy spike them. That would make for some crazy things there.
So at the ending of BOM when Wax goes though the coppermind I have some theories about it. How did Hoid get the coppermind coin, and why does the vision of the memory have one eye like the vision of a Inquisitor and one normal vision.