Overall, the XYZ monster mechanic is one of the game's easiest to understand, and these cards have found their way into meta strategies for well over a decade at this point
For example, Yugi's "Heart of the Cards" can be treated as a "strategy" given how consistently it works for him
Even if you dont get to the scenarios straight away, the sheer innovation in the investigator design will breath new life into the previous scenarios you have played through and inspire a ton of new deck ideas
Jynx abilities ex: Jynx ex excels at attacks that disrupt the opponent
It has this weird tension where the draw ability wants you to have a wide board with lots of creatures and equipment, but the equip cheating makes stacking Syr Gwyn with equipment ideal
The advantage held by an Empty Jar player who happens to open with Cyber Jar is simply unmatched by anything else in the format, and the immeasurable depth of the deck's plays ensure that it never has to fold outright to any given sidedeck strategy, no matter how hateful