The overwhelming advantage both large ninjas generate, the flexibility of the little ninjas package, the high skill ceiling, and the consistency of the deck's very searchable draw engine all helped to propel the deck into tier one
Lucario excels when combined with other damage-boosting cards like Giovanni to push your damage above your opponents thresholds
Battles Pocket players can earn a variety of rewards by winning step-up battles
The in-game story of Lorcana is a bit silly but it does help explain the game mechanics and how a battle as ridiculous as Mickey Mouse and Maleficent versus Tinkerbell and Maui could ever take place
Now, just because the skeleton list has 20 free spots, don't think Volcanion is a roomy deck with tons of free space for techs
You know that already, but there are some interesting build arounds that are worth diving into