If the booster pack someone is trying to sell you has those tear here scalloped edges theyre trying to scam you
Released for the Mainland China market on May 16, 2025, Gem Pack Vol
I rather liked the symbols, but also recognize how ridiculously hard it is to memorize all 150ish of them
One box can give you a good variety of cards, while two or three boxes can provide a solid variety of rare cards and likely a play set of most of the uncommon and common cards.
Just be sure to save your extra lethal black kill spells for those Crystal Barricades since a player with hexproof can disrupt your flow of damage
Alternatively, you could go the opposite direction, add more fast mana through cards like Fellwar Stone or Jeweled Lotus , and add even more tutors like Vampiric and Demonic Tutor