Though originally a separate franchise, Disney has owned the Muppets since 2004, and they are some of the most recognizable and loved characters that Disney has at its disposal
So until proven otherwise, I am going to say that the Bandai cards pre-date the Topsun cards." Even if I HAD said Topsun likely came first - which I didnt - EnlightenedBulbasaur is not the best source
However, Gonti might just be the person for the job, making stolen spells cheaper to cast, and allowing him to steal more cards off the top of opponent's libraries even when he himself doesn't attack
Some decks even try to abuse Urzas Saga as much as possible by potentially making tokens every turn of the game with Wrenn and Six or Power Conduit
Even so, the options range in power level
Due to multicolored slots being tighter than Mono-color due to the limited amount of decks that can play them (a card like Putrid Leech would be a near-staple in Green or Black, but nowadays finds itself on the outside looking in due to a very competitive Golgari guild.) Somewhat similar to a mana rock for instants and sorceries