The cards can be used for many types of tabletop games including Magic: The Gathering, Flesh and Blood, D&D, Warhammer 40K and so many more
The word "triple" on City on Fire is all I need to see to be convinced that this will be a Commander and casual hit
WB Humans, attrition (add green for more of both) UR Noncreature spells, but sometimes just instants & sorceries (add white to get extra value out of your Cycling noncreature spells) BG Mutate, Graveyard (add U for more Mutate support) RW Cycling, go wide (add B for more human tokens to go wide with) GU Mutate, goodstuff (add R for more good stuff?) To be honest, I havent felt this unsure about a formats archetypes in a while
The second video with the awesome instructor Jon Armstrong is great as well
Red aims for speed and direct damage
You want to add as many cards that enter the battlefield and do something good as possible, and that works very well with evoke