You can still buff it up yourself however you like, but for your opponents, casting an instant, sorcery, aura enchantment, or using an ability on your Hexproof creatures is strictly prohibited
It has two outlaw types in Assassin and Pirate
For ramp, Sol Ring and Arcane Signet provide fast acceleration, while Nature's Lore, Three Visits, and Farseek fetch lands directly onto the battlefield
Now maybe that's a little more in-depth than something like knowing the five color pairings of Strixhaven or original Ravnica, but it sure does feel like a ton of work by the creative and story team just gets left on the cutting room floor, and the story (such as it is) has to move at breakneck speed
Additionally, thanks to its Jeskai color identity, Creative Energy meshes perfectly with MTGs other recent use of Energy: Universes Beyond: Fallouts Science
Just today I was trying some new frisket