Umbreon won't slow down, as it establishes a new base around the $200 mark
As a bonus, just having three more Zombies in the graveyard will enhance certain creatures like Diregraf Colossus, Wight of Precinct Six, and Unbreathing Horde
The first of these is that as you declare attackers, you may have any number of creatures with banding, and up to one without, become a band (702.21c)
With a cost of only one ink and the ability to challenge with two bonus strength, Captain Hook: Forceful Duelist is easy to deploy early in a game and can create a quick, aggressive front
Instead of having the entire set have silver borders, there will be a mix of black-border cards legal in Commander, Vintage, and Legacy, and "Acorn Cards", which are not