It's a good fit for Esper reanimator shells looking to pitch their big reanimator target to the graveyard
The key tweak is the shift in how energy works: rather than filling your deck with specific energy cards, you simply select the type (or types) of a deck when building it, and energy is automatically generated once per turn for you to attach how you wish (for two-type decks, which are required for the Dragon Pokmon lines such as Dragonites, which type comes up next is randomised, which effectively replicates a multi-type deck equivalent in real life)
The top 3 decks in Pokmon TCG Pocket can be found here: Player tracks statistics on how well Misty works for him What does his statistic show
This definitely feels more like the kind of Starter Deck you could use as a skeleton for a competitive deck
This one ran across a cycle of gotcha cards that each had two words in their names that you got gotcha'ed if you said either of them (gotcha was a mechanic that allowed you to get cards back from the graveyard if you caught the opponent doing a prescribed thing and yelled out "Gotcha!")
No ones making money on these things