Though Darkness-type Charizard ex has been featured as the highlight of the Ruler of the Black Flame set, the set has loads of other surprises that Pokemon TCG players can look forward to
The high land count provides a good basis to summon them, supported by artifacts included in the deck or creature cards like Klauth or the Savage Ventmaw
A Pokmon proxy card is a stand-in or substitute card used in place of an actual Pokmon TCG card
Kate's research life, which had been walked out of the way, finally saw the brilliant fruit by developing a powerful device and name by name, and developing the construction flow stabilizer
Another example is getting rid of Baronne's negate by forcing them to use it, rather than having to pre-emptively use Impermanence, which your opponent will likely choose not to respond to in order to preserve the negate, just in case Baronne manages to live through the turn