2 players each build a deck of 60 or more cards, and then play against each other, drawing and playing cards until one player wins by reaching 20 lore
Tutor abilities, especially once that put cards on the battlefield, are just endlessly useful
There are at least a dozen clones to choose from these days, and Undercover Operative is the latest in a long line
These upgraded battle pass experiences grant you additional rewards as you progress through the Battle Pass ladders
I personally think that this is very difficult to do in Pokmon, and I prefer to have multiple copies of cards that I feel are important to the game, such as Rare Candy, Professor Juniper, Ultra Ball, and the like