The one-mana mode of Dread Fugue will trade for cards you could have just spent spot removal on (and an Infernal Grasp drawn later will be more useful than a Dread Fugue), where Inquisition of Kozilek can trade for things that youre glad to handle before they resolve
When we returned to the plane (many years after the first visitboth for the plane and in the game), we also added elements influenced by Japanese pop culture
Shinies in PTCGP aren't functionally any different to regular cards in how they play, but they're a rarer version that's good for bragging rights on your collection
There are also a few cards that count as whatever creature type you need for your party, like Stonework Packbeast, Tajuru Paragon, and Veteran Adventurer
I hope you've enjoyed this mechanical deep dive, and if you have comments or questions please drop a comment below, or stop by the Draftsim Discord for a chat