Serendib Efreet's artwork was fixed, but the artist's name wasn't updated (same for Plateau, which also didn't include the correct artist credit)
We'll get the Vehicle sub-type much later, and Equipment basically streamlines a lot of the messiness and (in retrospect) poor mechanical flavour of a lot of these earlier artifacts, but it's interesting to see the roots of those newer mechanics in these earlier sets
Profane Command fits the reanimation theme, can go to someones head, kill a creature, or give your team fear
In addition to these full-art basic lands, you can find regular basic lands in Wilds of Eldraine Draft Boosters, Set Boosters, Bundles, and Commander decks
A few turns later, I managed to clean house on their side of the board with a combination of instant effects and character challenges, overtaking them for the win