While it only does one thing, opening a game with a Dark Ritual into a commander like Yawgmoth, Thran Physician, or even Tinybones, Trinket Thief, and a Thoughtsieze on your first turn is pretty darn good
It only reduces the cost of spells that another effect (such as that of Green Goblin's last ability) has allowed you to cast
Outside of Kellogg being a remarkably cheap kidnapper, their actual card is only so-so
The cards also feature flavor text in the form of quotes from the show's notable characters
In the end, we can only assume that the licensing is to blame , just as with other neglected & forgotten sequels like Sonic Pocket Adventure and Mega Man & Bass: Challenger from the Future
Not having to take a creature from the milled cards, and instead choosing anything in your yard