You should stay well-fed with all the Food this makes, and your Foods can tap for mana, which is always way stronger than it seems (see: Jaheira, Friend of the Forest)
While Im not here to tell you that Fallen Empires isnt one of the worst sets of all time, I am here to tell you that there are a few useful cards that are being overlooked by Commander players
Its historical significance, combined with the rarity of mint condition copies, positions it as a valuable asset for collectors
+1/+1 counter decks love Shalai, but so do Enchantress decks, Angel tribal, and hatebear-heavy builds
Also of note in Modern are a couple five-color colorless lands
Even the something as cheap as a Grave Titan does six damage and leaves four 2/2s in play