In addition to the cards visual appeal and rarity, the card also plays to the nostalgia factor because its the ancient version of Enteian immensely popular Legendary among oldheads, in part due to its role in Pokmon 3: The Movie
It runs enough legendary creatures to make Legolas work, so it can ensure some card draw in the process
For example, Boros Recruit should be legal in a mono-red deck

Monkey D Luffy L Serial Number (Opened) [ST01-001] (Flagship Battle Victory souvenir) Retail US$ Shanks SEC-P (Opened) [OP01-120](Flagship Battle Victory souvenir) for Japan Retail US$ Portgas D Ace SEC-P Serial Number (Opened) [OP07-119] (Flagship Battle Souvenir)for Japan Retail US$ Monkey.D.Luffy SR-P (Opened) [OP07-109](Promotional Card "Luffy Get Campaign With Serial Number") Retail US$ Nami : SR (Opened) [OP08-106](Promotional Card "Nami Get Campaign With Serial Number") Retail US$ Roronoa Zoro : (Serial Zoro) Opened L [OP12-020 ](Promotional Card "Flagship Battle 2026 January Winner's Memento") Retail US$ Monkey.D.Luffy SEC :Serial Numbered :Champion's Prize :Opened [EB04-061](Promotional Card "Flagship Battle") Retail US$ Yamato SR :Serial Numbered :Champion's Prize :Opened [EB02-006](Promotional Card "Extra Grand Battle") Retail US$ The ONE PIECE Card Game has completely taken the global TCG community by storm, capturing the hearts of both competitive competitive players and hardcore collectors alike

Players who have the game installed and are in the client can even redeem multiple codes at once
If it were worth more to sell Pokemon cards you get from packs than it was to just sell singles, the Pokemon company wouldnt be raking in millions if not billions of dollars in Pokemon card sales every year