Pariah seems like a good idea to me, although I personally prefer Mithril Coat, as its more solid and less restrictive, to accompany it
Theres 20 basic lands and 15 non-basic land cards
Try looking for stores in your area that specialize in trading card games, which are likely to be interested in buying your cards
However, there's also the sentiment that it's something that should have happened a long time ago
Solemn Simulacrum is another poster child of Commander, and its seen extensive play throughout the formats lifespan
First, they boosted the power and toughness bonus it granted, then dropped the cost to only one mana to cast and equip, and finally made it so it gave the creature 1 toughness, and it ended up being that fateful 1 that made Skullclamp into a monster, since all you had to do was play one-toughness creatures and you suddenly had a repeatable, colorless, one-mana Divination