Wheel Effects Wheel effects like Wheel of Fortune, Reforge the Soul, Memory Jar, and Wheel of Misfortune can be a vital part of non-chaos decks (i.e., Nekusar, the Mindrazer), but they also mess with the game enough that Im willing to call them chaos cards
Spike Weaver messes up combat for your opponents
Hed scan and pay for the taco seasoning, but put the Pokmon cards in his bags, and then, well, then theres a gap in the explanation
However, where Jetmir excels purely in combat, making even initially weak Creatures into ridiculous threats for any opponent, the Commander lacks utility outside of its ability to quickly finish a game through sheer board might
Once its out there though, it cant be targeted for card effects, and your opponent's monsters will be unable to attack anything else on the field other than the Mekk-Knight
This is one of the easiest things to look for when checking older cards (though to see the dot patterns properly you'll probably need to pick up a jeweler's loop)