Here are the packs.
Here is a dual land.
Koth of the Hammer: nice!
This block uses the Infect ability. It began with a few cards in this set and their number increased in the next set (Mirrodin Besieged) and climaxed with New Phyrexia, which effectively is "the Infect set."
Here are all of the artifacts in these three packs.
Here is my SOM artifacts list. Green highlights the ones I have pulled.