The best set for artifacts in this range is Scars of Mirrodin with 88.
Innistrad and Zendikar have 10 rare lands each, and Worldwake has 14 total dual lands.
What I call the staple planeswalkers are usually in core sets, with the exception of Gideon Jura and Sorin Markov.
And then there are the expansion set exclusive plainswalkers for this range. There are a few planeswalkers that were issued in expansions before M10. Also some plainswalkers are found in the Commander reprint decks and most of the duel decks.
Colorless dual lands aren't dual technically.
These lands are for a single color, also not dual technically.
And here are the dual lands proper.
