I think there are actually lots of different ways Wizards could've approached this problem
Sadly I dont think were gonna see too many more Demons from these early sets, since this is about the time the moral guardians started to get on their case
Squirrels were banned from black-border Magic for a while by the brand team, so I kept putting them in Un- sets, including Unsanctioned , which was the first legendary Squirrel
Write gently so as not to disrupt your beautiful paint job of course, but go get yourself a gel pen and marvel in the wonder that is your new and improved signature
They often also contain special treatments, frames, arts, foils, etc, exclusive to a sets Collector Boosters
Key pieces for a good Grima deck would be Strionic Resonator to double your thievery shenanigans, a good haste enabler through Swiftfoot Boots/Lightning Greaves as well as a way to punish your opponents such as Leyline of the Void or Dauthi Voidwalker