This Machinist Art Series card would likely be beneficial in an artifact-focused deck, particularly one that aims to control the board with artifacts and possibly use them for extra card draw or mana ramp
Clefairy (Lillie) : PROMO[SM-P 381](SM-P Promotional cards) Of all the cards that depict Lillie alongside one of her Pokmon, the two which are the most valuable both show her with her Clefairy
Future Pokmon ex Charge into Battle
There is no dedicated control deck, as it's difficult to show up with control in a wide-open field where no one knew what to expect, but the various graveyard-based and synergy-driven decks all look pretty spicy
By choosing this design, youre not just showcasing a card
Which, when it comes to the Pokmon TCG, is easily more exciting than any gameplay addition.