Small and Deadly Cats have some of the most famous and influential one-drops in Magic history: There are equally effective two-mana Cats to back them up: Starting fast never hurt anyone (okay, maybe your opponents), and these Cats are among the fastest and strongest you can get
These can also be found as Rainbow Rares and Gold Secret Rares
Although its stats are underwhelming, its abilities certainly arent
Oh wait, "this character gets -1 for each card in your opponents' hands"
Globally, events like Pokmon Worlds, set rotations, and new game launches all impact demand
Though it only makes colorless mana and enters tapped, getting Mishra's Workshop Though not highly played due to its difficulty to acquire, a land that taps for three mana for artifacts definitely meets some of the restrictions we put around fast mana and belongs on the Game Changers list