Cards in excess of these quantities will not be transferred and will not be converted to Credits during the switch from PTCGO to PTCGL (source)
How many Secret Rares are in Scarlet & Violet
Like Bazaar, this Vintage all-star land doesn't tap for mana by itself, so it potentially sets you back mana unless you pair it with a card like Urborg, Tomb of Yawgmoth, but its effect is well worth it: all creatures have "At the beginning of your upkeep, destroy this creature unless you pay 1." So anyone with creatures will have to commit a chunk of mana keeping their creatures alive or remove them, with the more mana they have the more they gotta pay
This makes Marwyn a one-card engine
Furthermore, the contents of the booster products vary significantly between a Japanese and an English release: Japanese booster packs include 5 cards while the English packs include 10
They definitely can be due to scarcity and their status as a highly collectable game piece