If you like the idea but find this to be a bit intimidating, then you can try some of the smaller scale ideas I mentioned at the start
As with the Bladegriff, we can substitute for something more consistent and also more on-brand with Grand Larceny's thieving theme
Natural Order Natural Order tops the list by being an effective combo piece and reasonable tutor
Dispatcher Socketed Sprocketer Spell Suck Spy Eye Suspicious Nanny Time Out Very Cryptic Command Very Cryptic Command Very Cryptic Command Very Cryptic Command Very Cryptic Command Very Cryptic Command Wall of Fortune Big Boa Constrictor capital offense Dirty Rat Extremely Slow Zombie Extremely Slow Zombie Extremely Slow Zombie
When Jace enters, if Jace was kicked, create a token that's a copy of Jace, except it's not legendary and its starting loyalty is 1
That means its mana value will be lower and it will pick up a color, whereas the larger version of the artifact creature is colorless