Playing Zombie cards out of your graveyard is exactly what Zombie decks are all about, and that's exactly what Poxwalkers offers
Hailing from the Unova region, it is part of the legendary Swords of Justice quartet, alongside Terrakion, Virizion, and Keldeo
You can use this god as an alternate win condition, attempting to mill everybody else or just get value from filled graveyards, with cards like Rise of the Dark Realms or The Scarab God
if you check out my pre-con upgrade article, you should be able to get a general idea of the direction that you want to take the deck
Creature lands are most effective in control or midrange decks that expect games to reach the late stages
It can be built as a lifegain commander, a Voltron commander, or even an angel typal commander