The best cards from Commander Masters could be a list of all of the reprints in the main Magic: The Gathering set, but because its already pretty well-documented which cards are good and which are bad - and in a Masters set most of the cards are at least some degree of good - were going to be looking at just the new cards added in by the new, and uncomfortably pricey, Commander decks
Mime, has kept the Pokmon franchise fresh, and Mr
I argue that Helen is innocent and the war is Eris fault, but I also highly endorse fibre arts-based therapy
Luffy, Ace, and Sabo return as new Leader cards in OP-13. But the celebration won't stop there
You want a mix of instants and sorceries, of course, and should play Dead Weight as your early removal spell, and probably a couple of planeswalkers like Ob Nixilis Reignited too