I can take a few good sets of mechanics, and have the LLM choose from among them, like this
Here are some searches that help: Ramp Search "add {" in oracle text to find mana dorks and rocks
Note that both of these can kill Vees which are artifacts not something Black is good at, hence them hitting here on my first list
You intend to mill your opponent out over time, but you end up being the one tormented by your own spell, unable to do anything else for the rest of the game
This opens up some serious possibilities, especially because of the artifact shenanigans that you can pull off
Cards like Assassins Trophy, Cast Down, Fatal Push, Final Payment and Justice Strike presented as a repeatable effect are going to spook your opponents and youll be lucky to see your Isochron Scepter make it to the next turn