Belle of the Brawl and Skynight Vanguard would be shaky candidates for me, which could ideally be replaced by stronger Knights
About Mount Velus Manticore, its a card that actually works pretty well in multiple copies since it has 2 types of cards but you have to be sure the double red is not a problem
The upcoming Pitch Black set, for example, has 115 total cards
Kappa Tech-Wrecker Our first look at a green ninja, Kappa Tech-Wrecker acts as a deathtouch creature that can exchange the keyword to exile an artifact or enchantment an opponent controls when it deals damage
In addition to traditional foil versions, surge foil versions of Commander cards (except plane cards) from this set can be found in Magic: The Gathering Doctor Who Collector Boosters, too
If youre interested in the rarest of rare collectors cards and more on the very limited D23 collectors set, read our article Does Lorcana Have A First Edition