Supertype is a card label or characteristic, like Legendary, printed below the illustration, while a token is more like a status or designation for an object that is not represented by an actual card
Pikachu, Gengar, and Togepi Mandala A vertical mandala featuring Pikachu, Gengar, and Togepi with flowers, hearts, stars, and Pok Balls
Artificer's Intuition Do-It-Yourself Seraph Enlightened Tutor Fabricate Goblin Engineer Guidelight Pathmaker Hoarding Dragon Inventors' Fair Iron Man, Titan of Innovation Kuldotha Forgemaster Loyal Inventor Magda, Brazen Outlaw Moonsilver Key Nahiri, the Harbinger Oswald Fiddlebender Reckless Handling Repurposing Bay Reshape Scour for Scrap Sojourner's Companion Sphinx Summoner Tezzeret the Seeker Tezzeret, Cruel Captain Tinker Transit Mage Transmutation Font Transmute Artifact Treasure Mage Tribute Mage Trinket Mage Trophy Mage Urza's Saga Vexing Puzzlebox Whir of Invention
Proliferate is really just a random collection of good support cards for other mechanics rather than a synergy that does something itself
There's even a concept similar to the powerful Z-Moves featured in the Sun and Moon video games
