All cards are new, instantly boosting the power of various leaders and expanding deck options

Most valuable cards in Commander Masters View the full price guide $477.80 Jeweled Lotus Commander Masters $178.18 Jeweled Lotus Commander Masters $131.83 Demonic Tutor Commander Masters $119.07 The Ur-Dragon Commander Masters $101.98 Deflecting Swat Commander Masters $84.33 Jeweled Lotus Commander Masters $75.85 Mikaeus, the Unhallowed Commander Masters $75.67 Finale of Devastation Commander Masters More cards by Miranda Meeks $49.36 Arwen, Mortal Queen The Lord of the Rings: Tales of Middle-earth $23.87 Arwen, Mortal Queen The Lord of the Rings: Tales of Middle-earth $19.97 Werewolf Pack Leader Adventures in the Forgotten Realms Promos $13.33 Arwen, Mortal Queen Tales of Middle-earth Promos $12.62 Second Harvest Secret Lair Drop $11.80 Arwen, Mortal Queen The Lord of the Rings: Tales of Middle-earth $11.11 Arwen, Mortal Queen The Lord of the Rings: Tales of Middle-earth $11.07 Narci, Fable Singer Commander Masters SetCommander Masters Most valuableTop 100 Magic: The Gathering cards You might also like...

This is why I try and provide answers for tedious cards and why I try even harder to make those answer cards rounded and non-polar
The consensus take on the Legacy subreddit seems to be, Eh, I might sideboard a few copies in certain matches, and I tend to agree
Every professional is talking about it, and with great reason
Be sure to check back after release and see if any of these picks drop in price, or are replaced by new expensive options