While that holographic Charizard you probably traded for in 1999 is still highly sought after (even more so now, actually), the team behind the card game has installed several new mechanics, including a new Tag Team system where a single card can feature multiple Pokmon working together to perform extremely powerful moves
Etali, Primal Conqueror is a lot of stupid Dinosaur fun, and it's my Commander for Historic Brawl in Arena because it is just so satisfying to cast big spells for free (think the likes of Emrakul, the Promised End)
Xyz Xyz summoning was introduced in Zexal as the first alternative to the dominant Synchro summon method
By exaggerating the Pokmons Shiny color palette as well as certain angles, Fukuda made just about every Pokmon illustration stand out
Worry not, though Storm is still completely playable in its current state
add 1 "Springans" monster from your Deck to your hand, then, if you detached any material at activation, you can Special Summon that many "Springans" monsters from your hand or GY