And after I started the actual programming, I tried several of the approaches found on the tutorials, blog posts and github repositories, and elsewhere on the internet
Saheeli's Directive XRRR Sorcery Improvise (Each artifact you tap after you're done activating mana abilities pays for 1.) Reveal the top X cards of your library
You can also check the set number and artist at the bottom of the card and crosscheck them with the information on Scryfall or similar sites
You toss on counter on this when it deals damage, not two, but you can untap a land to make mana, force a target dork to not block, or toss a +1/+1 counter to perma-pump the equipped dork
Here's Your First Look at Over a Dozen New Cards From Magic: The Gathering's Upcoming Final Fantasy Set Sephiroth, Cecil, Yuffie, Garland, and more make their appearance