Its really cool seeing the interplay of the Affinity cards from the original Mirrodin block with the new colored Esper artifacts from Shards of Alara, for instance
While those older cards focused strictly on hand-refreshing, Misty's Vitality acts as massive Water-type acceleration, letting you search your deck for up to 4 Basic Water Energy cards and attach them directly to one of your Pokmon
SWSH1 was also full of older fan favourites, we didnt even get V/VMAX cards of the starters until Rebel Clash
I think that Goblin Banneret is a good choice for the deck as it can pump itself to get in extra damage while also pumping up other creatures thanks to its Mentor ability
If you run Ur-Dragon as a Battle shell, it might be worth playing, but otherwise it doesn't seem good enough
Hypnotic Specter Hypnotic Specter used to be a nasty black creature, but both threats and removal have become more efficient in our modern era of Magic, pushing this specter to the side