All of this is stapled onto a pretty good template: a very aggressive double strike-vigilance-haste combination that allows it to attack as well as being activated as soon as it hits the battlefield
Naturally, it works nicely withToph, the First Metalbender from the Avatar set because it becomes a land, and can power up into a creature via Earthbending
Look at the top X cards of your library
Planar Atlas is a cool card which can help to find you a land for the following turn if you need it
While Castle Locthwain is good in the deckit's basically a free-roll since it should always come into play untapped, and having a land that can draw a card is powerful, especially against control and slower midrange decksit's also not essential by any means
Pal Pad is crucial for control decks to get Supporter cards back and Night Stretcher is often crucial for decks that use Dusknoir so they can use Dusknoir's ability multiple times in a turn