They are not too bad, we did have evolutions, celebrations and the new vintage box coming later this year
Although not one of the big two most prominently featured in this set, Kyurem is intimately entwined with Zekrom and Reshiram, even capable of fuzing with them to unlock additional powers (in the lore)
Overall, theres dozens of combos you can pull off with Gogo, but the ones here are the most efficient
In the mainline games, Mewtwo is often positioned as a post-game challenge, a testament to its legendary status
I mentioned Cyclonic Rift earlier, which demonstrates blue's tactical retreat philosophy sometimes the best move is to reset and force your opponent to rethink their strategy
One per turn isn't consistent enough because it relies too much on drawing one of only ten cards, and hoping it's one that's good enough to win with