Maybe slap him with Voltron decks alongside commanders like Ardenn, Intrepid Archaeologist
As an added bonus, I was actually able to explore a real life Skyclave and came back with some extraordinary kor artifacts (lovingly rendered by artistic whiz-kid Jeff Carpenter)
Like we just mentioned, because of the guaranteed access to rare cards in Collector Boosters, they command a significantly higher price than a Play Booster: the MSRP for a Final Fantasy Collector Booster is a whopping $38 , compared to the $7 for a Play Booster
With new sub-types of lands usually they only introduce a few and it's kind of meh, if there are enough towns you might be able to do neat things with them, there's already an obvious town commander in Wandering Minstrel, but they'll probably end up being pretty inconsequential there
Improvements + Cards To Drop The easiest upgrade is adding three more Emily Quackfaster Level-Headed Librarian