For the most part, these sieges basically replace themselves when they enter the battlefield, either by putting a new card in the players hand or creating an extra permanent in play
As a direct point of comparison, this exact Marnie card appears in English's Sword & Shield Base Set, but only commands a fraction of her Japanese value, settling at around $30
Luckily, Hypno from this set does precisely that upon evolving into
Explore the Vastlands Each player looks at the top five cards of their library, reveals a land card and/or an instant or sorcery card from among them, then puts the cards they revealed this way into their hand and the rest on the bottom of their library in a random order
Maybe its better than Zephyr Scribe
These, however, were limited to just 100 of each, and that combined with the power of these cards has made them pricey indeed