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
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
For example, say Tree of Perdition is equipped with Cultists Staff (which makes it 2/15) and the players life total is 7
The only reason I see for currently playing on Live instead of Online is the Celebrations trick for unlocking decks (reminder: as a desktop-only player)
SWSH1 was also full of older fan favourites, we didnt even get V/VMAX cards of the starters until Rebel Clash
Others have pointed out that it comes as a kick in the teeth to those players who traded Wildcards for specific cards that may no longer be viable (or less viable) in the format