I should start this by saying I think Pokmon TCG Pocket is, even now, pretty brilliantly balanced
The cards pull rate ranks among the hardest hits in the entire One Piece TCG, with an average of just 0.07%
Even if you dont like Universes Beyond, the amount of respect and detail given is what keeps me interested in them
Whispers of the Muse (T1, Ext, S, Block) A favorite in "Turbo Xerox" (a blue deck which used minimal land but a ton of cantrips to thin out the deck), Counter-Phoenix (Shard Phoenix + Forbid) and Tradewind-Awakening (put Awakening on the stack, tap all your lands for mana, untap all your lands), Whispers has what might seem like a hefty price to pay for one card but you get to do it turn after turn after turn
Investing in trading cards like the Lugia Legend can also be a rewarding experience, as the value of rare cards tends to appreciate over time