I really like how the Pokemon Trading Card Game kicked off the Mega Evolution era. The aptly named Mega Evolution expansion was chock-full of stellar cards, most notably its SIRs. For me, most impressively, though, is that the set wasn't as obnoxiously large as many of Scarlet and Violet's were.
English
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek