I love both games and it's fine to think that.
Exhaust can appear on any kind of permanent, and the most used are creatures and artifacts, especially vehicles
Tons and tons of casual players dont use the site, and theres a bias towards preconstructed decks as people do variations on precon with upgrades so some of the staples have staggering inclusion rates
It's a great creature for allowing players to attack early and often, and it can also be channeled for two mana to draw a card
Cunning Maneuver: I like this combat trick because its an instant (which is perfect for Firebending), and because it has the potential to 2-for-1 your opponent (and a 1-for-1 is still pretty good if youre trading with something much bigger in combat)
Thematically, I love how the demon behind this magic keeps offering you more, and demanding more