Below is a summary table showcasing the 25 most played new-to-Standard cards based on the decklists I analyzed
Three mana for a hard counter is bearable in the cube where there are precious few hard counters at all, let alone for less than three
Oracle of Dust: this card is at best a limited bad pick, but against a deck abusing Delve and if you need good stuff in your graveyard, you could do that a lot at 2 mana a pop
Competitive 60-card decks usually play fewer, focusing on 48 copies of the most impactful ones
This page lists all 262 cards including main set cards and higher-rarity cards such as SR, SAR, AR, UR
Eurogamer previously reported on the various Pokmon TCG Pocket conspiracy theories being passed around the game's playerbase for how to "hack" or "glitch" the game to get better cards