This is one of the most dynamic princes poses in all of Lorcana - and one of the few princesses to ever cost more than Minnie Mouse
The best Vizkopa Guildmage decks make use of the extort cards at common (Syndic of Tithes, Tithe Drinker) while cards like Riot Control and Children of Korlis can become huge Fireballs with your commanders second activated ability
Both of these cards were actually only added to the Game Changers list back in April, so they havent spent very long there at all
One thing which really hamstrung that mechanic is how expensive it is to repeatedly trigger relative to the actual benefits of each room
Plus, the new-to- Magic cards from the Start Kit are Modern legal, so you can begin new adventures with fan-favorite heroes and villains in your own decks
If you win in the main story, in addition to the Rainbow Badge, Machine 21 (Mega Drain) for Red / Green / Blue / Pikachu, Machine 19 (Giga Drain) for Gold / Silver / Crystal, Fire Red / Leaf Green, and Heart Gold / Soul Silver