The regular Pokmon Trading Card Game has evolved quite a bit since the Game Boy Color version launched, but any player with a basic understanding of the card game should feel right at home with this handheld classic
Acquiring those gold-plated cards online is completely under the buyers discretion
As long as you can get Utopia Beyond on the field with at least 2 materials attached to it, you can equip Stoic Challenger to Utopia Beyond and easily deal over 8000 damage in one turn since all of your opponents monsters attack would be reduced to 0 anyways.

BT8-075 U Digimon Lv.4 Kogamon Color Purple Green Cost 5 DP 4000 Digivolve Cost 1 PurpleGreen 2 from Lv.3 Form Champion Attribute Data Type Mutant Card Text 2 [Inherited Effect] Retaliation (When this Digimon is deleted after losing a battle, delete the Digimon it was battling.) BT8-076 C Digimon Lv.4 Fangmon BT8-077 U Digimon Lv.4 BlackGatomon Color Purple Yellow Cost 5 DP 6000 Digivolve Cost 1 PurpleYellow 3 from Lv.3 Form Champion Attribute Virus Type Dark Animal Card Text 1 [Effect] Rush (This Digimon can attack the turn it comes into play.) Card Text 2 [Inherited Effect] Retaliation (When this Digimon is deleted after losing a battle, delete the Digimon it was battling.) BT8-079 C Digimon Lv.5 SkullSatamon Color Purple Cost 7 DP 7000 Digivolve Cost 1 Purple 3 from Lv.4 Form Ultimate Attribute Virus Type Undead Card Text 1 [Effect] [When Digivolving] Trash the top 2 cards of your deck

Lets say that you have [c]Blightsteel Colossus[/c] and your opponent attacks you with their [c]Worldspine Wurm[/c]
Theres no way to sugarcoat it: 2026s rotation is going to massively change the Pokemon TCG Standard format