Well, it is the oldest version of the card
Green decks almost always have the biggest creatures, so you dont need to worry about your opponents drawing too many cards off this mana and card advantage engine
No, you can't buy singles on Arena, but the closest method is to buy a wildcard bundle, then craft away
The reason VI, VII, X, and XIV were chosen for the Commander decks is because theyre the four most popular Final Fantasy games overall
Beyond these options there are some very narrow lands that support specific tribes, so its worth revisiting if youre building a tribal deck
It just wants humans to join together and collectively defeat evil ( something we as a species should practice more often )