They're the same as the regular Magma and Aqua Grunt cards from the main set, except with a holo finish and the Pokmon Center logo
The team is purpousedly "balanced" on types since otherwise I would end being more of a dragon trainer than Lance, and they are not really my absolute favourites because of that- Kingdra, Armarouge and others missed their chances
Modern had the same problem, and that price issue had to be alleviated by Masters reprint sets and Horizons sets
Tarfire: The tribal Shock kills the small creatures actually played in Modern while generally growing Tarmogoyf two stages
Edric, Spymaster of Trest Edric, Spymaster of Trests ability can give cards to the entire table, which suggests going for a group hug strategy
Lord Xander, the Collector Lord Xander is hard to interact with in any way and come out unscathed