You can find non-foil full-art basic lands in Beyond Boosters and Bundles, with traditional foil full-art basic lands available exclusively in Collector Boosters and Bundles
For example, I could see using it to find a strategy-specific equipment such as Colossus Hammer or Umezawa's Jitte
At worst, The Water Crystal and Sphinxs Tutelage will be a quirky Commander option to mill players out of nowhere
You can find alternate versions of all of them, each with new art in the Ninja frame: There are seven commons, eight uncommons, six rares, and two mythic rares with the Ninja treatment
A steady flow of item cards can add wild combinations to your characters and build a solid engine that powers up your play in the later stages of a magical duel
Check out this guide to help you prepare for Prerelease