Ironically, it probably has the least exciting new cards for Commander as a whole, given the specific focus on equipment
A 1-mana protection instant is valuable against the hordes of removal out there, but for simply 1 more mana, you also get a bit of lifegain
Its almost like an analog equivalent of scrolling through a nice animal-based Instagram feed, except with fictional critters instead of cute cats, and with the added bonus that you dont have to be on your phone
See rule 709, Split Cards. 309.1: Dungeon is a card type seen only on nontraditional Magic cards
Additionally, Seasons Past was forced to play Nissas Renewal, certainly because it was mana-hungry, but also because its control game was weak enough that it desperately needed lifegain in the main
There are no Commander decks attached to this product