The main difference between the original and the Switch version, aside from the inclusion of every bit of downloadable content released to date, is new single-player historic battles from 2017s Yu-Gi-Oh
These are called "crown rares" and there are only three in the game
Gavin Verhey on POwer Brackets No new information has been provided on which cards will be in which bracket

1st Edition Kanto Base Starters Set (Shadowless) (4) 1999 MP-DMG $299.99 $350.00 SALE Original 151 Complete Set (151/150) 1999 from $1,550.00 Base Set Complete Master Set (102/102) 1999 $1,470.00 Jungle Complete Master Set (64/64) 1999 [MP-DMG] $610.00 Team Rocket Complete Set (83/82) 2000 $1,655.00 Gym Heroes Complete Set (132/132) 2000 $1,840.00 Gym Challenge Complete Master Set (132/132) 2000 $3,100.00 WOTC Black Star Promo Near Complete Set (52/54) 1999-2003 $4,345.00 Neo Discovery Complete Master Set (75/75) 2001 $2,900.00 Neo Genesis Complete Master Set (111/111) 2000 $1,980.00 Neo Revelation Complete Master Set (66/64) 2001 $3,335.00 Shadowless Base Set Complete Master Set (102/102) 1999 Out of stock Topps Pokmon Series 13 Complete Set 19992000 Out of stock Fossil (62/62) Complete Master Set 1999 $940.00 Shadowless Kanto Base Starters Set (4) 1999 $70.00 $95.00 SALE Unlimited Kanto Base Starters Set (4) 1999 $34.99 1st Edition Fossil (62/62) Complete Set 1999 $3,165.00 Pokmon 25th Anniversary Complete Master Set (118/100) 2021 + Official Celebrations Binder Out of stock SALE

For those not inclined to play online, there is also solo play, with events of their own, and yet more objectives and rewards
Since if you do run MST in Artifacts, most of the time you will using MST on your own cards