Fossil Dyna, Book, Vortex, and Iron wall are going to do a great job at answering many of the troubles you'll face against frogs
When you have some experience playing, you can anticipate what type of decks people are gonna be relying on, so you can put together a metadeck which will be useful against most of the decks that the enemies are gonna use
TCG Live also makes things better for novice players by offering eight new semi-competitive starter decks to get you up and going, versus Online's three or four badly outdated ones
Crown Zenith's relatively limited print run compared to mainline sets has kept supply constrained across the board, and the Galarian Gallery cards in particular have proven to have real staying power in the secondary market as collectors increasingly recognize the subset as one of the high points of modern Pokemon card design
It isnt even good in a Spirit deck due to being a sorcery, so there isnt even the fringe benefit of avoiding a more destructive board wipe without also having a card like Leyline of Anticipation in play