The biggest difference: Mewtwo V SA (074/071) and Conkeldurr V SA (076/071) are Japanese-exclusive Special Art cards that dont exist in the English set
Card Set(s) -500 YEARS IN THE FUTURE- [OP-07] CARD VIEW OP07-047 | R | CHARACTER Trafalgar Law Attribute Slash Block icon 2 Type The Seven Warlords of the Sea/Heart Pirates Effect [Activate: Main] You may return this Character to the owner's hand: If your opponent has 6 or more cards in their hand, your opponent places 1 card from their hand at the bottom of their deck
While some foils and/or combinations of, say, a $4 rare and a $6 uncommon will make the real-world bust rate lower than what Im including here, I prefer to think of those packs as happy bonuses instead of expected outcomes
Your opponent will struggle to draw any cards without PokePowers
For example you could just build decks and price them accordingly
A good playline would be to play Vault Door on four after you've built your board with some characters, followed by either location plus Voyage on turn five to move your character over to it