I do remember once trading a kid a Charizard for his six Mewtwos and six Machamps because he was annoying and I just wanted him to leave me alone
Best for Card Rush / Advantage Competitive Players: Source bulk deck parts or the latest SR/SEC singles for meta-relevant decks (like Blue Doflamingo or Black Enies Lobby) at the lowest possible cost
Sapphire Turning Red support cards are less hyped and cheaper
But its better for the sellers and buyers, too, because its more centrally located, so thats really good from a fulfillment perspective. TCGPlayer was remote starting in like 2018/2019, Bigler adds
When picking cards, you cannot use more than 4 of the same card, with the exception of basic energy cards
Add to that plenty of ways to put additional +1/+1 counters on it and many smaller synergies throughout the Standard format, and I expect Walking Ballista to be a Standard Staple from the start