Yigabomb
The procedure was simple: There was spotted, flying within the main system of the TEDS, a quite sizeable pyramid of rare metals heading directly towards the planet, something that, being once-merchants looking for their lost treasure, the TEDS would surely welcome.
However, perched atop the pyramid, as the lead necromancers would be aware of, is a particular interesting object, one that is 10x10x10 cm in size, made of a smooth black metal. There seems to be perfect etchings within it, that, when pressed, would reveal a certain message.