The deck starts by casting efficiently-costed creatures with strong secondary abilities including Thornvault Forrager (ramp, squirrel fetch), Osteomancer Adept (deathtouch, reanimate), Valley Rotcaller (menace, drain), Vinereap Mentor (food tokens), Bonecache Overseer (draw)
Now I don't want to turn this Top 10 column into a "Top 10 Cards I Want to See in Set X." That's not really interesting over the long term
Ofc there are more bandai sets than that and some sets may even lack info of full sets completely, like some bandai zukan sets
Since green is the color most known for mana ramp in Magic, it is popular for both monocolor and multicolor decks in Commander because faster access to your mana usually increases your odds of closing out and winning a game quickly
They put that card in their deck probably because they like it, or at least because its good in their build