It can technically be played as your commander, but I think it will generally find a better home in the 99 of a few different types of decks
Life wise you are better off with the two drop kill but if you have lots of two drops in your deck then the one drop kill is well worth that extra cost
Finally, she grants other nontoken creatures fabricate, so creatures entering the battlefield make a Servo or enter with a counter, making blink and artifact strategies work
Pros & Cons Of The Emerald/Sapphire Deck Has A Lot Of Strategy But Can Feel Unfocused The Disney Lorcana Emerald/Sapphire Azurite Sea deck is all about Inventors and items
You may have to wait longer than wed anticipated for these to get cheaper (they almost assuredly will and they will almost assuredly go back up, also) but thats OK because speculating on the price of Paradox Engine isnt really what we do here
This means a Shifted card is more economical to place on the field, and a Shifted character can also challenge on the same turn it is played provided the Ink is dry on the bottom card