You know how when you use the NPC tool to create a trainer, and you can mod their pokemon in quite literally any way? You can set / Max the IVs, you can set / "Max" the EVs, stuff like that; I think there should be a tool for players to do that to their Pokemon.
If there's a reason this hasn't been implemented yet, and it's because of what it might do to the competitive scene, I do not believe that is a just reason, as this would be an optional tool. (Also, this tool should NOT be craftable, only able to obtain through creative.) It would help a lot with testing Pokemon / teams, so that way people like me can just mess with a team Comp with certain IVs / EVs without the hassle of training / Breeding. Please consider this, I would love to see this feature.
Second Feature: Double battling a Double-Battle trainer with a friend.
When creating a trainer NPC, you have the option to make it a Double Battle trainer, and I think it would be an awesome idea if a friend and I could battle that trainer together. For instance, the trainer has an Ivysaur and an Emboar. I could use a Charizard, and my friend could use a Squirtle. I know there is the command to double battle Pokemon, and other people, however my friend and I are typically the only ones in our friend group who play Pixelmon, so if he and I could fight a trainer together that'd be awesome, and double battling Pokemon really isn't that hard, it'd be a lot more fun to have that challenge of fighting a trainer.
I really hope these ideas are taken into consideration, and I would be so excited if these were implemented!