I remember people playing Land + Simian Spirit Guide + Electrodominance, slamming two 4/4s on turn 1
I continue to trim cards like this where I dont need them for my deck collection
This additional step to the printing process has added more room for error, which is something misprint collectors like us love

Advanced Search Sets Random Syntax Archway Angel Armory Guard Black Dragon Gate Circuitous Route Citadel Gate Crackling Perimeter District Guide Draconian Gate-Bot Explore the Underdark Garrison Sergeant Gate Colossus Gate Hound Gate Smasher Gate of the Black Dragon Gate to Manorborn Gate to Seatower Gate to Tumbledown Gate to the Afterlife Gate to the Citadel Gatebreaker Ram Gatecreeper Vine Gatekeeper Gargoyle Gateway Shade Gateway Sneak Glaive of the Guildpact Gods' Eye, Gate to the Reikai Gond Gate Greenside Watcher Guild Summit Heap Gate Hold the Gates Krydle of Baldur's Gate Manor Gate March from the Black Gate Maze's End Navigation Orb Nearby Planet Necron Monolith Nine-Fingers Keene Ogre Jailbreaker Open the Gates Planar Nexus Plaza of Harmony Riddle Gate Gargoyle Sage of the Maze Sea Gate Sea Gate Oracle Sea Gate Stormcaller Sea Gate, Reborn The Black Gate Tourach's Gate Way of the Thief

Specifically, well be highlighting cards that work the best in the 99 of different decks, as the best Commanders is a different ball game entirely
Planeswalkers that are legal as Commanders have been printed once before, but Commander 2018 ups the ante