You have so many different creatures at your disposal, and most will come with some sort of mechanics attached, such as Reach, Vigilance, Deathtouch, Menace, or Trample, while others are token generators
Adding three stun counters to one of our opponent's creatures almost turns Dreamdew Entrancer into a hard removal spell since it will take so long for the creature to untap (plus, we can always bounce Dreamdew Entrancer and replay it to stun something else, or even add more stun counters to something that's already tapped down), making it our best removal Frog
While Im playing many more creatures than instants and sorceries, I still like Velomachus Lorehold for the occasional free spell
The foil glimmer card Belle - Mechanic Extraordinaire, has a very high cost of 9 ink to play her, but for good reason