The change is purely for visual purposes, and everything, including abilities and stats, will still work the same way
Card-Bit Exchange Each duplicate card you receive gets converted into Card Bits which can then be spent to purchase individual cards
Extravagance and Prosperity do conflict with this, but this really doesn't matter too much
So, yes, Pokmon card collecting felt harder in the '90s
Attack 2: [WW] Skull Bash (20) Weakness / Resistance / Retreat Cost: Lx2 / None / 1 Artist: Mitsuhiro Arita #09 BULBASAUR - 166/165 (ILLUSTRATION RARE) : $27 Card Number / Rarity: 166/165 / Illustration Rare Card Type / HP / Stage: Grass / 70 / Basic Attack 1: [1G] Leech Seed (20) Heal 20 damage from this Pokemon
This will do everything from giving you access to practically all colors right away, while also turning on effects like domain with a single land